I found this text file describing the icons. Hope it is what you are looking for
Main Menu:
Disk with Arrow Pointing Away: Load a Saved Game
Disk with Arrow Pointing In : Save Current Game
Guy Parachuting : Start Mission
Men Standing Together : Select Your Team
Weapons Icon : Select Weapons/Items for Mission
Battle Menu:
Compass: Click Mouse button on any Compass Direction and Selected
Man will go that direction (ie: Click NE and Man moves NE)
(Top Row From L-R)
1st Icon: Switch Men
2nd Icon: Status Bar
3rd Icon: Display Location of Men
4th Icon: Pick up Weapon/Item
5th Icon: Drop Weapon/Item
6th Icon: Move Selected Man
7th Icon: Open Door
(Bot Row From L-R)
1st Icon: Select Weapon
2nd Icon: Pull Grenade Pin
3rd Icon: Load Selected Weapon (Gun)
4th Icon: Throw Grenade
5th Icon: Select Target
6th Icon: Fire Weapon at Target
7th Icon: Select this to acknowledge you have completed your turn