noun
item selection
Technical computing term for selecting an item from a list, menu, or set of options.
メニューから項目選択を行ってください。
Please select an item from the menu.
この画面では、項目選択に矢印キーを使います。
On this screen, use the arrow keys for item selection.
選択 is the general word for 'selection' or 'choice', while 項目選択 specifically refers to selecting an item in a computing interface.
Compound of 項目 (item) and 選択 (selection).