What does it mean to have a career in a trade?

well i think having a career in trade is like knowing the skill set you have and I it to make money for your self

just one that learnt sewing then fortunately heor she go to college to learn computer engineering then he or she comes out of college withouta job but your trade which is other wise known as skill set can make you stand and you canstart fending for your self by sewing for people

answer; cultural trait;