Its meaning can be extended to leaving a footprint, so it's also used to prove you've visited a place or to announce a new beginning, like 'I was here! 🦶'.

In some Eastern cultures, showing the bottom of your foot to someone can be considered rude. In the West, however, it can be an expression of relaxation. It's interesting how a single emoji can hold such diverse cultural backgrounds. That's why it's sometimes necessary to be mindful of the situation and the other person's culture when using it.