We can use "storeSelectOptions" command with only list box and drop downs. Function of this command is it will store all option labels names of targeted drop down or targeted list box in to variable. See bellow given example.
In above example, "storeSelectOptions" command will store all option labels names of targeted list box(ctrl55_Contentitem_State) in to variable "label". You can use this command when you need all labels names of drop down.
We can use "storeValue" command with radio button or check box. It will check and store targeted element's value "ON" or "OFF". "ON" means selected and "OFF" means not selected.
In above example, It will check specified target element chk_box_01's value. If its checked then it will store "ON" into variable "value" else it will check "OFF" in variable "value". In this way you can check and store current state of specified targeted radio button or text box.