CHOIX_NOM : To choose a sequence in a list

CHOIX_SCHOWN : Choose between seeing, for the sequence selected in panel List content

CHOOSE_ANNOTS : Determine what parts of sequence annotations to be displayed

A dialog window appears showing the names of the different parts of sequence annotations.
Choose the part(s) you want to see, and click ok.
Item ALL covers all other items (except item SEQUENCE).
Item SEQUENCE stands for display of the primary sequence itself.