the act of picking (crops or fruit or hops etc.)
"The farm hired extra workers during harvest to help with picking tomatoes before they spoiled on the vine."
A gathering to pick fruit.
"We spent the morning at an orchard picking apples before heading home."
In plain English: Picking is the act of choosing something from a group.
"The picking in his voice made him sound out of sorts today."
present participle of pick
"The children were picking wildflowers along the roadside."
In plain English: To pick means to choose something from several options.
"She spent her afternoon picking wild berries from the bushes in the forest."