When someone strolls, they walk in a slow, relaxed way, usually for pleasure.
Strolling is a nice, leisurely activity that people do when they want to relax and enjoy themselves.
Examples:
She strolls through the park on a sunny day.
We like to take a stroll after dinner.
He strolls along the beach and looks for seashells.
The cat strolls around the house like it owns the place.
They strolled through the forest, enjoying the peacefulness.
I strolled to the store to buy some candy.