All the legion commands listed below come to the fore when your legion is commanded to take up a certain "approach" for movement suitable for these special manouevres, typically terrain specific e..g. swiming approach so you can use the SWIM command when fording bodies of water.
Syntax: ... CLIMB UP/DOWN
Climbing approach to navigate up and down exits and the specifics of both.
Syntax: ... SWIM <direction>
Legions tackling bodies of water from rivers to deepwater lakes, swimming approach and speeds and dangers.
Syntax: ... TRANSPORT <direction>
Use and specifics of water transports and legions on board.
Syntax: ... ASCEND/DESCEND
Ascending and descending with either climbing or using ladders and tools to do so, limits for ascent/descent in speed and numbers, mounted legions and artifact of war factor.