keyword basics

Around 5 to 6 of my keywords are stable since last month. I am trying my best to rank them up but they are still at the same place. I only can see minor fluctuations. Please help

Hello Friends, Im trying to figure out the "Key word research" and how its done. Can anyone briefly tell me what is it? why we should do it? and how to do it? im planning to start a website but i have no clue about keyword researching. I also have purchased a plan from MOZ (moz pro) medium...