diff --git a/c/tex_parser/tex_parser.h b/c/tex_parser/tex_parser.h
index 60c8eb8..4251586 100644
--- a/c/tex_parser/tex_parser.h
+++ b/c/tex_parser/tex_parser.h
@@ -8,15 +8,15 @@
 #define TEX_PARSER_DOMAIN 0
 
 /**
- * enum tex_parser_error - the LaTeX parser error code
+ * enum tex_parser_error - the LaTeX parser error codes
  *
  * @TEX_PARSER_NOERROR:                 Default state indicates no error.
- * @TEX_PARSER_ERROR_UNKNOWN:
- * @TEX_PARSER_ERROR_STACK:
- * @TEX_PARSER_ERROR_PLACE_UNKNOWN:
- * @TEX_PARSER_ERROR_UNEXPECTED_SYMBOL:
+ * @TEX_PARSER_ERROR_UNKNOWN:           Uncontrolled error happen
+ * @TEX_PARSER_ERROR_STACK:             Stack overflow
+ * @TEX_PARSER_ERROR_PLACE_UNKNOWN:     Unknown place (internal error)
+ * @TEX_PARSER_ERROR_UNEXPECTED_SYMBOL: Unexpected symbol for current place
  *
- * Need some description here...
+ * Defines parser error codes, @TEX_PARSER_NOERROR = %0 is equivalent to no errors.
  */
 enum tex_parser_error {
 	TEX_PARSER_NOERROR = 0,
@@ -29,9 +29,12 @@ enum tex_parser_error {
 /**
  * struct tex_table_row_s - LaTeX table row
  *
- * @cells:
- * @row_line:
+ * @over_line:                          Text over row (\hline for ex.)
+ * @cells:                              Row cells
+ * @under_line:                         Text under row (\cline{2-4} for ex.)
  *
+ * @over_line, @cells, @under_line uses zalloc*() functions which stores
+ * array dimensions.
  */
 struct tex_table_row_s {
 	char *over_line;  // \hline, \cline{4-5} etc.
@@ -42,31 +45,40 @@ struct tex_table_row_s {
 /**
  * struct tex_table_s - LaTeX table
  *
- * @document_offset:
- * @document_size:
- * @id:
- * @col_props:
- * @head_table:
- * @foot_table:
- * @main_table:
+ * @document_offset:                    Table offset (in symbols) in the LaTeX document
+ * @document_size:                      Table size (in symbols) in the LaTeX document
+ * @id:                                 Id in report generator context (Request.Drossel1.Table1 for ex.)
+ * @col_props:                          Column properties devided by '>' symbol
+ * @head_table:                         Top rows devided by & and automaticaly added on page break
+ * @foot_table:                         Bottom rows devided by & and automaticaly added on page break
+ * @main_table:                         Central rows which can be devided horizontally and vertically
+ *
+ * @col_props, @head_table, @foot_table, @main_table uses zalloc*() functions to
+ * determine array dimensions.
  */
 struct tex_table_s {
-	size_t document_offset; // offset (in sybmols) in the LaTeX document
-	size_t document_size; // size (in symbols) in the LaTeX document
-	char *id; // "Drossel1.Table1"
-	char **col_props; // divided by >
-	struct tex_table_row_s *head_table; // divided by &
-	struct tex_table_row_s *foot_table; // divided by & and \tabularnewline
-	struct tex_table_row_s *main_table; // divided by & and \tabularnewline
+	size_t document_offset;
+	size_t document_size;
+	char *id;
+	char **col_props;
+	struct tex_table_row_s *head_table;
+	struct tex_table_row_s *foot_table;
+	struct tex_table_row_s *main_table;
 };
 
 /**
  * struct tex_graphics - LaTeX graphics
  *
- * @something:
+ * @prestr:                             Preceding string
+ * @path:                               Path to image file
+ * @poststr:                            Descendant string
+ *
+ * Need some description here...
  */
 struct tex_graphics {
-	void *something;
+	char *prestr;
+	char *path;
+	char *poststr;
 };
 
 /**