What were the middle ages and the renaissance? in what way were these two era's different?

Actuially reinassanc eis a term coined in late 19th c. by politicla reasons it wasn't historical era it is movement in art that focused on return to the classical ancient era canon in art and took palc ein late middle ages, that is the shortest most accurate and proper description according to historians without twisting the facts by overuse of that name term 'reinassance' is in use also on diferente periods in medieval history so called caroliginian rebirth during charlemagne and 'reinassance of 12th century' it is a term coine dby historians when term "reainssance' was overused by many