This is the 690th most frequent Thai word.
all
The Thai word for "all" is "ทั้งหมด," meaning "all" or "everything."
The word 'ทุกคน' (all/each person) refers to 'everyone' signifying the inclusion of all individuals in the room.
ทุกคนในห้องนี้คือเพื่อน.
Everyone in this room is a friend.
The word 'หมดทุก' (all) reinforces the completion and inclusion of all items referred to as 'งาน' (tasks).
เขาทำเสร็จหมดทุกงานแล้ว.
He has finished all the tasks.
The word 'ทุกสิ่ง' (everything/all things) expresses an inclusive statement about the things referred to as actions by 'เธอ' (you).