Visual meaning of 'unbuckle'? - learn with images, example in daily life

Visual illustration of unbuckle: To unfasten (the buckle of (a belt, shoe, etc)) - Image 1

unbuckle: To unfasten (the buckle of (a belt, shoe, etc)) - Thumbnail 1

unbuckle: To unfasten (the buckle of (a belt, shoe, etc)) - Thumbnail 2

verb

To unfasten (the buckle of (a belt, shoe, etc))

"After the long car ride, the little boy was happy to unbuckle his seatbelt. "