Append/Insert Row/Column
The Append Row command 
appends a row to the static or dynamic table in which the cursor is.
The Insert Row command 
inserts a row above the row in which the cursor is. This command applies to both static and dynamic tables.
The Append Column command 
appends a column to the static or dynamic table in which the cursor is.
The Insert Column command 
inserts a column to the left of the column in which the cursor is. This command applies to both static and dynamic tables.