Organising your army

So basically, you can multiselect a few units and organise them, so when you multi select them. You can organise them with colours or icons. EG. If I am the USA and my European allies need my help, I can select 43 units as a "Rapid deployment forces" and select 63 units as "Home army" the home army is used to protect the main provinces and rapid deployment forces are for overseas.

these are good for organising invasions, for example you can multiselect a few units and call them "Southern Front" so they can attack the south etc etc. Also if you want to create a special force guard, for special operations (Consisting of heavy tanks and commandos) you can deploy them for top missions like protecting the capital and quick deployment in far away countries.