Meaning : The position of greatest importance or advancement. The leading position in any movement or field.
Example :
The Cotswolds were once at the forefront of woollen manufacturing in England.
The idea of motion was always to the forefront of his mind and central to his philosophy.
Meaning : The sharp cutting side of the blade of a knife.
Synonyms : knife edge
Translation in other languages :
Cutting edge meaning in Bengali (Bangla).