Here are some videos we’ve curated from Youtube illustrating common moves, techniques etc for playing touch.
“Arrows” with 4 aka “Fours” aka “rucking” aka “driving”
This is the 4 player variant, like “threes” but with an option either side.
The standard defensive pattern close to your own try line.
5 Metre Challenge
A drill/game from Rugby League showing how it is (just about) possible to retreat 5, get onside and then come forward to defend the try line.
And finally an example of what the mixed touch game looks like played at the top level: