Paying with phone on push door

A person holds up their smartphone with a digital wallet ready to tap against a cafe door sign that reads 'PUSH / ادفع'. The joke plays on the Arabic word 'ادفع', which means both 'push' and 'pay'.

Puns on the Arabic word 'ادفع' which means both 'push' and 'pay', showing someone jokingly taking the instruction literally.