广 (guǎng): Means “wide,” “broad,” or “to spread.” Think of a wide-reaching broadcast signal.
播 (bō): Means “to broadcast,” “to sow,” or “to disseminate.” It visually contains the “hand” radical (扌), suggesting the action of spreading seeds.
体 (tǐ): Means “body,” “form,” or “physique.”
操 (cāo): Means “to exercise,” “to drill,” or “gymnastics.” It also contains the “hand” radical (扌), implying a hands-on physical action.
When combined, `广播 (guǎngbō)` means “broadcast.” `体操 (tǐcāo)` means “calisthenics” or “gymnastics.” Together, 广播体操 (guǎngbō tǐcāo) literally translates to “broadcast calisthenics,” perfectly describing what it is.