Static means no movement, still, fixed in the same position. This sort of position can take place while standing or sitting for extended periods of time in the same position with no movement causing restriction of blood flow around the body and can damage your muscles either through too much pressure being placed on certain parts of the body or no movement at all.
Stay safe online make sure not to give any personal info. Don’t talk to any strangers definitely if it can be prevented. If you feel uncomfortable and you feel like you are being used under any circumstances you need to tell a adult.