Deletes the character at the cursor position. Marks cursor position as beginning of selected text. Cuts the selected text. Pastes the last cut text inserting it at the current cursor position. Inserts a tab at the current cursor position.
Moves backward a character.
Moves to the previous line. Moves to the next line. Moves to the beginning of the current line. Moves to the end of the current line. Moves forward a page of text.