diff --git a/sh/log/log.sh b/sh/log/log.sh
index eddf92c..3921b8a 100644
--- a/sh/log/log.sh
+++ b/sh/log/log.sh
@@ -17,67 +17,11 @@ RWX_LOG_LEVEL_TRACE=5
 # │ log │ variables │
 # ╰─────┴───────────╯
 
-RWX_LOG_LEVEL=${RWX_LOG_LEVEL_INFO}
+rwx_log_level=${RWX_LOG_LEVEL_INFO}
 
-# ╭─────┬─────╮
-# │ log │ log │
-# ╰─────┴─────╯
-
-rwx_log() { rwx_log_info "${@}"; }
-
-rwx_log_debug() {
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_DEBUG}" ]; then
-		_rwx_log "[DEBUG]" "${@}"
-	fi
-}
-
-rwx_log_error() {
-	local code="${1}"
-	shift
-	[ -n "${code}" ] || rwx_log_fatal 1 "No error code"
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_ERROR}" ]; then
-		_rwx_log "[ERROR]" "${@}" >&2
-		return "${code}"
-	fi
-}
-
-rwx_log_fatal() {
-	local code="${1}"
-	shift
-	[ -n "${code}" ] || rwx_log_fatal 1 "No error code"
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_FATAL}" ]; then
-		_rwx_log "[FATAL]" "${@}" >&2
-		exit "${code}"
-	fi
-}
-
-rwx_log_info() {
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_INFO}" ]; then
-		_rwx_log "" "${@}"
-	fi
-}
-
-rwx_log_trace() {
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_TRACE}" ]; then
-		_rwx_log "[TRACE]" "${@}"
-	fi
-}
-
-rwx_log_warn() {
-	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_WARN}" ]; then
-		_rwx_log "[ WARN]" "${@}"
-	fi
-}
-
-# TODO simplify
-
-_rwx_main_log() {
-	[ ${#} -gt 0 ] || set -- ""
-	local line
-	for line in "${@}"; do
-		echo "${line}"
-	done
-}
+# ╭─────┬───────────╮
+# │ log │ functions │
+# ╰─────┴───────────╯
 
 _rwx_log() {
 	local prefix="${1}"
@@ -85,10 +29,53 @@ _rwx_log() {
 	[ ${#} -gt 0 ] || set -- ""
 	local line
 	for line in "${@}"; do
-		if [ -n "${prefix}" ]; then
-			_rwx_main_log "${prefix} ${line}"
-		else
-			_rwx_main_log "${line}"
-		fi
+		[ -n "${prefix}" ] &&
+			printf "%s" "[${prefix}] "
+		echo "${line}"
 	done
 }
+
+rwx_log_fatal() {
+	local code="${1}"
+	shift
+	[ -n "${code}" ] || rwx_log_fatal 1 "No error code"
+	if [ "${rwx_log_level}" -ge "${RWX_LOG_LEVEL_FATAL}" ]; then
+		_rwx_log "FATAL" "${@}" >&2
+		exit "${code}"
+	fi
+}
+
+rwx_log_error() {
+	local code="${1}"
+	shift
+	[ -n "${code}" ] || rwx_log_fatal 1 "No error code"
+	if [ "${rwx_log_level}" -ge "${RWX_LOG_LEVEL_ERROR}" ]; then
+		_rwx_log "ERROR" "${@}" >&2
+		return "${code}"
+	fi
+}
+
+rwx_log_warn() {
+	if [ "${rwx_log_level}" -ge "${RWX_LOG_LEVEL_WARN}" ]; then
+		_rwx_log " WARN" "${@}"
+	fi
+}
+
+#= rwx_log
+rwx_log_info() {
+	if [ "${rwx_log_level}" -ge "${RWX_LOG_LEVEL_INFO}" ]; then
+		_rwx_log "" "${@}"
+	fi
+}
+
+rwx_log_debug() {
+	if [ "${rwx_log_level}" -ge "${RWX_LOG_LEVEL_DEBUG}" ]; then
+		_rwx_log "DEBUG" "${@}"
+	fi
+}
+
+rwx_log_trace() {
+	if [ "${rwx_log_level}" -ge "${RWX_LOG_LEVEL_TRACE}" ]; then
+		_rwx_log "TRACE" "${@}"
+	fi
+}
diff --git a/sh/main.sh b/sh/main.sh
index d6cc20c..2039ba5 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -2,33 +2,32 @@
 # ╭──────╮
 # │ main │
 # ╰──────╯
-# main module
 
 # ╭──────┬───────────╮
 # │ main │ constants │
 # ╰──────┴───────────╯
 
-# parent directory for the project
+# project parent directory
 RWX_MAIN_PARENT="/usr/local/lib"
-# name of the project itself
+# project name
 RWX_MAIN_NAME="rwx"
-# name of the entrypoint module
+# project entrypoint module
 RWX_MAIN_MODULE="main"
-# extension of shell modules
+# shell modules extension
 RWX_MAIN_EXTENSION="sh"
 
 # ╭──────┬───────────╮
 # │ main │ variables │
 # ╰──────┴───────────╯
 
-# system root directory of the project
+# project main root directory
 rwx_main_root="${RWX_MAIN_PARENT}/${RWX_MAIN_NAME}"
 
 # ╭──────┬──────╮
 # │ main │ find │
 # ╰──────┴──────╯
 
-# find directory’s shell files
+# find root directory shell modules
 #| find
 #| sed
 #| sort
@@ -47,13 +46,16 @@ rwx_main_find() {
 # │ main │ main │
 # ╰──────┴──────╯
 
-# run initial steps
+# run required initial steps
 #< core/code
 rwx_main_main() {
-	local module modules
-	# find & source modules
+	local module
+	local modules
+	# find main modules
 	modules="$(rwx_main_find "${rwx_main_root}")"
+	# source main modules
 	while IFS= read -r module; do
+		# except currently running main module
 		if [ "${module}" != "${RWX_MAIN_MODULE}" ]; then
 			# shellcheck disable=SC1090
 			. "${rwx_main_root}/${module}.${RWX_MAIN_EXTENSION}"
@@ -61,7 +63,7 @@ rwx_main_main() {
 	done <<EOF
 ${modules}
 EOF
-	# run code main function
+	# run code module main function with found main modules
 	rwx_code_main "${modules}" "${@}"
 }