In the normal register, such a means “as it is, without modification.” As an indeterminate adjective, Tel indicates unnamed people or things. In this sense, this is more or less equivalent to any: Such a person can do it. Anyone can do it. This or that teacher will tell you the same chosen. All the teachers will tell you the same thing. There is such a restaurant where you can eat. There is a restaurant where you can eat at midnight. Ask him where it was like this time. Ask him where he was at such a time. If one uses as a qualifying adjective, such expresses one of the two things:1. Likeness She cried like a child.
She was crying like a child. Tel. father, Tel. Like a father, a son. I have never seen such. I have never seen anything like it.2. Intensity Is it really of such importance? Is it that important? There was such a noise that I was scared. There was so much noise that I was scared. Such patience was necessary. Such [endless] patience was needed. This is almost always unique when used as indefinite pronoun and means one, someone, etc. However, this is not often used as a pronoun; Other unspecified pronouns, such as some or some, are more often used in its place: Such these books are worth a lot.
This has different meanings depending on how it is used. if you want more examples, you can read this article: unmondesansfautes.blogspot.fr/2015/06/tel-que-vous-ne-lavez-jamais-vu.html Tel refers here to “tools” it must be agreed in gender and number with this.