diff --git a/processing/analyse.R b/processing/analyse.R
index 5977ded39318d64477ed4fb5a3799142611132f6..604116b2b5fc61bf2f159944cef091d488607fc8 100644
--- a/processing/analyse.R
+++ b/processing/analyse.R
@@ -157,11 +157,11 @@ get_QMNAtrend = function (df_data, period) {
 }
 
 
-get_VCN10trend = function (df_data, df_info, period) {
+get_VCN10trend = function (df_data, df_meta, period) {
     # MINIMUM 10 DAY AVERAGE FLOW OVER THE YEAR : VCN10 #
 
     # Get all different stations code
-    Code = levels(factor(df_info$code))
+    Code = levels(factor(df_meta$code))
     
     df_data_roll = tibble()
 
diff --git a/processing/extractBH.R b/processing/extractBH.R
index 09ea390447fabbe5d2efc24fd513c338ce601981..a55d9f89c5ebfe95756a257e36608650e745702f 100644
--- a/processing/extractBH.R
+++ b/processing/extractBH.R
@@ -4,7 +4,7 @@ library(dplyr)
 library(officer)
 
 
-# General information on station
+# General metadata on station
 iStatut = c('0'='inconnu', 
             '1'='station avec signification hydrologique', 
             '2'='station sans signification hydrologique', 
@@ -102,8 +102,8 @@ get_selection = function (computer_data_path, listdir, listname,
 #              'longueur_serie'))
 
 
-# Extraction of information
-extractBH_info = function (computer_data_path, filedir, filename, verbose=TRUE) {
+# Extraction of metadata
+extractBH_meta = function (computer_data_path, filedir, filename, verbose=TRUE) {
     
     # Convert the filename in vector
     filename = c(filename)
@@ -135,27 +135,27 @@ extractBH_info = function (computer_data_path, filedir, filename, verbose=TRUE)
         }
         
         # Create a blank data frame
-        df_info = data.frame()
+        df_meta = data.frame()
         
         # For all the file in the filelist
         for (f in filelist) {
             
             # Concatenate by raw data frames created by this function when filename correspond to only one filename
-            df_info = rbind(df_info,
-                            extractBH_info(computer_data_path, 
+            df_meta = rbind(df_meta,
+                            extractBH_meta(computer_data_path, 
                                            filedir, 
                                            f))
         }
         
         # Set the rownames by default (to avoid strange numbering)
-        rownames(df_info) = NULL
-        return (df_info)
+        rownames(df_meta) = NULL
+        return (df_meta)
     }
 
     # Get the filename from the vector
     filename = filename[1]
     
-    # Print information if asked
+    # Print metadata if asked
     if (verbose) {
         print(paste("extraction of BH info for file :", filename))
     }
@@ -167,29 +167,29 @@ extractBH_info = function (computer_data_path, filedir, filename, verbose=TRUE)
     if (file.exists(file_path) & substr(file_path, nchar(file_path), nchar(file_path)) != '/') {
         
         # Extract all the header
-        infotxt = c(readLines(file_path, n=41))
+        metatxt = c(readLines(file_path, n=41))
         
-        # Create a tibble with all the information needed
-        df_info =
-            tibble(code=trimws(substr(infotxt[11], 38, nchar(infotxt[11]))),
-                   nom=trimws(substr(infotxt[12], 39, nchar(infotxt[12]))),
-                   territoire=trimws(substr(infotxt[13], 39, nchar(infotxt[13]))),
-                   L93X=as.numeric(substr(infotxt[16], 38, 50)),
-                   L93Y=as.numeric(substr(infotxt[16], 52, 63)),
-                   surface_km2=as.numeric(substr(infotxt[19], 38, 50)),
-                   statut=iStatut[trimws(substr(infotxt[26], 38, 50))],
-                   finalite=iFinalite[trimws(substr(infotxt[26], 52, 56))],
-                   type=iType[trimws(substr(infotxt[26], 58, 58))],
-                   influence=iInfluence[trimws(substr(infotxt[26], 60, 60))],
-                   debit=iDebit[trimws(substr(infotxt[26], 62, 62))],
-                   QBE=iQBE[trimws(substr(infotxt[26], 72, 72))],
-                   QME=iQME[trimws(substr(infotxt[26], 74, 74))],
-                   QHE=iQHE[trimws(substr(infotxt[26], 76, 76))],
+        # Create a tibble with all the metadata needed
+        df_meta =
+            tibble(code=trimws(substr(metatxt[11], 38, nchar(metatxt[11]))),
+                   nom=trimws(substr(metatxt[12], 39, nchar(metatxt[12]))),
+                   territoire=trimws(substr(metatxt[13], 39, nchar(metatxt[13]))),
+                   L93X=as.numeric(substr(metatxt[16], 38, 50)),
+                   L93Y=as.numeric(substr(metatxt[16], 52, 63)),
+                   surface_km2=as.numeric(substr(metatxt[19], 38, 50)),
+                   statut=iStatut[trimws(substr(metatxt[26], 38, 50))],
+                   finalite=iFinalite[trimws(substr(metatxt[26], 52, 56))],
+                   type=iType[trimws(substr(metatxt[26], 58, 58))],
+                   influence=iInfluence[trimws(substr(metatxt[26], 60, 60))],
+                   debit=iDebit[trimws(substr(metatxt[26], 62, 62))],
+                   QBE=iQBE[trimws(substr(metatxt[26], 72, 72))],
+                   QME=iQME[trimws(substr(metatxt[26], 74, 74))],
+                   QHE=iQHE[trimws(substr(metatxt[26], 76, 76))],
                    file_path=file_path,
                    source='BH'
                    )
 
-        return (df_info)
+        return (df_meta)
 
     } else {
         print(paste('filename', file_path, 'do not exist'))
@@ -198,7 +198,7 @@ extractBH_info = function (computer_data_path, filedir, filename, verbose=TRUE)
 }
 
 # Example
-# df_info = extractBH_info(
+# df_meta = extractBH_meta(
     # "/home/louis/Documents/bouleau/INRAE/CDD_stationnarite/data",
     # '',
     # c('H5920011_HYDRO_QJM.txt', 'K4470010_HYDRO_QJM.txt'))
@@ -256,7 +256,7 @@ extractBH_data = function (computer_data_path, filedir, filename, verbose=TRUE)
     # Get the filename from the vector
     filename = filename[1]
     
-    # Print information if asked
+    # Print metadata if asked
     if (verbose) {
         print(paste("extraction of BH data for file :", filename))
     }
@@ -273,10 +273,10 @@ extractBH_data = function (computer_data_path, filedir, filename, verbose=TRUE)
                              sep=';',
                              skip=41)   
 
-        # Extract all the information for the station
-        df_info = extractBH_info(computer_data_path, filedir, filename, verbose=FALSE)
+        # Extract all the metadata for the station
+        df_meta = extractBH_meta(computer_data_path, filedir, filename, verbose=FALSE)
         # Get the code of the station
-        code = df_info$code
+        code = df_meta$code
         # Create a tibble with the date as Date class and the code of the station
         df_data = tibble(Date=as.Date(as.character(df_data$Date),
                                       format="%Y%m%d"),
diff --git a/processing/extractNV.R b/processing/extractNV.R
index babdf908a572eb9f45e37e72305976738ea07c04..3f9ffe9af3d75d1bf652cb4d21f77318905fe728 100644
--- a/processing/extractNV.R
+++ b/processing/extractNV.R
@@ -3,12 +3,12 @@ library(tools)
 library(dplyr)
 
 
-# Extraction of information
-extractNVlist_info = function (computer_data_path, filedir, listdir, listname, verbose=TRUE) {
+# Extraction of metadata
+extractNVlist_meta = function (computer_data_path, filedir, listdir, listname, verbose=TRUE) {
     
-    # Print information if asked
+    # Print metadata if asked
     if (verbose) {
-        print(paste("extraction of NV info for file :", listname))
+        print(paste("extraction of NV meta for file :", listname))
     }
 
     # Get the file path to the list of station
@@ -17,7 +17,7 @@ extractNVlist_info = function (computer_data_path, filedir, listdir, listname, v
     if (file.exists(list_path) & substr(list_path, nchar(list_path), nchar(list_path)) != '/') {
 
         # Extract the data as a data frame
-        df_info = read.table(list_path,
+        df_meta = read.table(list_path,
                              header=TRUE) 
 
         # Create a filelist to store all the filename
@@ -37,44 +37,44 @@ extractNVlist_info = function (computer_data_path, filedir, listdir, listname, v
             }
         }  
 
-        exist = df_info$CODE %in% codelist
-        missing = codelist[!(codelist %in% df_info$CODE)]
-        print(paste('missing station info for :', missing))
+        exist = df_meta$CODE %in% codelist
+        missing = codelist[!(codelist %in% df_meta$CODE)]
+        print(paste('missing station meta for :', missing))
         
-        df_info = df_info[exist,]
-
-        # Create a tibble with all the information needed
-        df_info =
-            tibble(code=as.character(df_info$CODE),
-                   nom=as.character(df_info$NOM),
-                   L93X=df_info$X_L2E,
-                   L93Y=df_info$Y_L2E,
-                   surface_km2=df_info$S_km2,
-                   altitude_m=df_info$Alt,
+        df_meta = df_meta[exist,]
+
+        # Create a tibble with all the metadata needed
+        df_meta =
+            tibble(code=as.character(df_meta$CODE),
+                   nom=as.character(df_meta$NOM),
+                   L93X=df_meta$X_L2E,
+                   L93Y=df_meta$Y_L2E,
+                   surface_km2=df_meta$S_km2,
+                   altitude_m=df_meta$Alt,
                    file_path=file.path(dir_path,
-                                       paste(df_info$CODE, '.txt', sep='')),
+                                       paste(df_meta$CODE, '.txt', sep='')),
                    source='NV'
                    )
 
-        df_info = bind_rows(df_info, 
+        df_meta = bind_rows(df_meta, 
                             data.frame(code=missing,
                                        file_path=file.path(dir_path,
                                                            paste(missing,
                                                                  '.txt',
                                                                  sep=''))))
 
-        df_info = df_info[order(df_info$code),]
+        df_meta = df_meta[order(df_meta$code),]
         
     } else {
         print(paste('filename', list_path, 'do not exist'))
         return (NULL)
     }
 
-    return (df_info)
+    return (df_meta)
 }
 
 # Example
-# df_info = extractNVlist_info(
+# df_meta = extractNVlist_meta(
 #     "/home/louis/Documents/bouleau/INRAE/CDD_stationnarite/data",
 #     'France207',
 #     '',
@@ -133,7 +133,7 @@ extractNV_data = function (computer_data_path, filedir, filename, verbose=TRUE)
     # Get the filename from the vector
     filename = filename[1]
     
-    # Print information if asked
+    # Print metadata if asked
     if (verbose) {
         print(paste("extraction of NV data for file :", filename))
     }
diff --git a/processing/format.R b/processing/format.R
index 28f9c7ee1559188d301f60da7292aab255012e40..d5ddb597bbc57defd69b6f285fd73774eff0f36f 100644
--- a/processing/format.R
+++ b/processing/format.R
@@ -1,35 +1,35 @@
 library(dplyr)
 
-join = function (df_data_BH, df_data_NV, df_info_BH, df_info_NV) {
+join = function (df_data_BH, df_data_NV, df_meta_BH, df_meta_NV) {
 
     if (!is.null(df_data_NV) & !is.null(df_data_BH)) {
 
         # Get the station in common
-        common = levels(factor(df_info_NV[df_info_NV$code %in% df_info_BH$code,]$code)) 
+        common = levels(factor(df_meta_NV[df_meta_NV$code %in% df_meta_BH$code,]$code)) 
         # Get the Nv station to add
-        NVadd = levels(factor(df_info_NV[!(df_info_NV$code %in% df_info_BH$code),]$code))
+        NVadd = levels(factor(df_meta_NV[!(df_meta_NV$code %in% df_meta_BH$code),]$code))
 
-        # Select only the NV info to add
-        df_info_NVadd = df_info_NV[df_info_NV$code %in% NVadd,]
+        # Select only the NV meta to add
+        df_meta_NVadd = df_meta_NV[df_meta_NV$code %in% NVadd,]
         # Join NV data to BH data
-        df_info = full_join(df_info_BH, df_info_NVadd, by=c("code", "nom", "L93X", "L93Y", "surface_km2", "file_path"))
+        df_meta = full_join(df_meta_BH, df_meta_NVadd, by=c("code", "nom", "L93X", "L93Y", "surface_km2", "file_path"))
 
         # Select only the NV data to add
         df_data_NVadd = df_data_NV[df_data_NV$code %in% NVadd,]
-        # Join NV info to BH info
+        # Join NV meta to BH meta
         df_data = full_join(df_data_BH, df_data_NVadd, by=c("Date", "Qm3s", "code"))
 
     } else if (is.null(df_data_NV) & !is.null(df_data_BH)) {
-        df_info = df_info_BH
+        df_meta = df_meta_BH
         df_data = df_data_BH
     } else if (!is.null(df_data_NV) & is.null(df_data_BH)) {
-        df_info = df_info_NV
+        df_meta = df_meta_NV
         df_data = df_data_NV
     } else {
         stop('No data')
     }
     
-    return (list(data=df_data, info=df_info))
+    return (list(data=df_data, meta=df_meta))
 }
 
 
diff --git a/script.R b/script.R
index 1ff1e56a7e90409833f7f1f4286ef0d267b26ea0..386ec84aa7da64e46a696a815d96ebedf18cf2a1 100644
--- a/script.R
+++ b/script.R
@@ -48,7 +48,7 @@ NVfilename =
     # "all"
 
 
-# Path to the list file of information about station that will be analysed
+# Path to the list file of metadata about station that will be analysed
 NVlistdir =
     ""
 
@@ -115,16 +115,16 @@ if (BHlistname != ""){
     BHfilename = df_selec[df_selec$ok,]$filename
 }
 
-# Extract information about selected stations
-df_info_BH = extractBH_info(computer_data_path, BHfiledir, BHfilename)
+# Extract metadata about selected stations
+df_meta_BH = extractBH_meta(computer_data_path, BHfiledir, BHfilename)
 
 # Extract data about selected stations
 df_data_BH = extractBH_data(computer_data_path, BHfiledir, BHfilename)
 
 
 # NIVALE #
-# Extract information about selected stations
-df_info_NV = extractNVlist_info(computer_data_path, NVfiledir, NVlistdir, NVlistname)
+# Extract metadata about selected stations
+df_meta_NV = extractNVlist_meta(computer_data_path, NVfiledir, NVlistdir, NVlistname)
 ### /!\ missing station info ###
 
 # Extract data about selected stations
@@ -132,21 +132,21 @@ df_data_NV = extractNV_data(computer_data_path, NVfiledir, NVfilename)
 
 
 # JOIN #
-df_join = join(df_data_BH, df_data_NV, df_info_BH, df_info_NV)
+df_join = join(df_data_BH, df_data_NV, df_meta_BH, df_meta_NV)
 df_data = df_join$data
-df_info = df_join$info
+df_meta = df_join$meta
 
 
 # TIME PANEL #
 # Plot time panel of debit by stations
-# panel(df_data, df_info, figdir, "")
-# panel(df_data, df_info, figdir, "", is_sqrt=TRUE)
+# panel(df_data, df_meta, figdir, "")
+# panel(df_data, df_meta, figdir, "", is_sqrt=TRUE)
 ### /!\ Removed 185 row(s) containing missing values (geom_path) -> remove NA ###
 
 
 # ANALYSE #
 # Compute gap parameters for stations
-# df_lac = get_lacune(df_data, df_info)
+# df_lac = get_lacune(df_data, df_meta)
 
 
 # QA TREND #
@@ -156,4 +156,4 @@ res_QAtrend = get_QAtrend(df_data, period)
 # res_QMNAtrend = get_QMNAtrend(df_data, period)
 
 # VCN10 TREND #
-# res_VCN10trend = get_VCN10trend(df_data, df_info, period)
+res_VCN10trend = get_VCN10trend(df_data, df_meta, period)