Hi
Communication and physical play could be how you talk, show, sign, gesture, interact.
Has a child maybe found steps on a climbing frame challenging and you've helped guide them, giving support by resting a hand below their elbow or created a closeness/proximity that gives them reassurance should they need you ... in opposition to only giving verbal commands - hold the ladder rung, grip on tightly, move/lift a leg.
Scissor skills - how do you help children achieve a cut in eg: paper if they currently show signs of struggling with positioning and actions.
A few other physical activities that you may find yourself adapting your own methods of communication for - between verbal, body and actual interaction:
Hopping on one foot, jumping & star jumps, catching, kicking, throwing balls, balancing beams, imaginative play where role play figures & props - cloacks/hats need to be shared or others found. Digging, picking up items, stroking/caring for animals ..
How do you help chidlren understand what's going on in times of conflict - hitting/pushing.
Would you only talk, bend down, keep eye contact, provide more than enough time for explanation from those involved, position yourself to protect a child, use language to help them understand what's going on.
If it helps more the experiences of the children with water squirters in this
blog article,
and this may help you identify times where you communicate in different ways with the children during physical play.
Hth, best wishes xx