The sky is full of clouds, and "skylight" refers to the southern dialect in the morning.

"Skylight" refers to the southern dialect in the morning. Yes, the light is bright, so the skylight is dawn.

The sky is full of clouds and shadows.

The meaning of the poem is: clear and bright, sky and clouds, floating on the water.

"skylight" sentence: it means that the light of the sky and the shadow of clouds are reflected in the pool water, constantly changing, just like people wandering.

Wander: to move back and forth.