To sign explain, form both hands into lateral letter F signs such that both pinkie fingers are facing the ground. Then move your 'F' hands back and forth in an alternating fashion.
Teach your toddler the explain sign when they wonder why their older sibling is having a long conversation with Dad or Mom, Grandma or Grandpa, or their soccer or basketball coach.
Teach your toddler this sign when there is an occasion of explaining. It is difficult to teach this concept with the flash card alone as it is abstract, so it is best to wait for such a situation and teach the sign then.
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