People in a community may divide food gathering, hunting, farming or preparation by age, skill, family role or gender. Anthropologists call a pattern organised around gender a sexual division of labour. The term describes a social arrangement; it does not prove that every individual has the same tasks or that the arrangement is biologically fixed.
To understand a food system, ask who makes the assignment, whether tasks change with circumstances and whose labour is visible when food is shared. A simple label can otherwise erase cooperation and flexibility.