What is Such ?
Such is (adj) 1. of this sort The po- lice are looking for such things as drugs or stolen goods. no such not existing There is no such day as April 31st. Someone was asking for a Mr Simpson but there is no such person working here. 2. very; so much There was such a crowd at the party that there weren’t enough chairs to go round. It’s such a shame that she’s ill and has to miss her sister’s wedding. pron this type of person or thing She’s very competent, and is thought of as such by the management. The noise was such that it stopped me sleeping.
source: Easier English, Student Dictionary Upper Intermediate Level