What is the difference between make up highlighters and concealers?

Hi Highlighter is for highlighting your skin in other Words you use it on your eyebrow bones and cheeks bones to make your skin appear lighter and or shimmery. Concelaer is used to conceal spots and other imperfections it should be an idnetical sade to your to create a flawless finish. Concelaer = identical shade to that of your skin Highlighter- A light often pearly colour for highlighting.