used to identify a specific person or thing close at hand or being indicated or experienced

is this your bag?

he soon knew that this was not the place for him

referring to a specific thing just mentioned

the company was transformed and Ward had played a vital role in bringing this about

used to identify a specific person or thing close at hand or being indicated or experienced

don't listen to this guy

these croissants are delicious

referring to a specific thing just mentioned

there was a court case resulting from this incident

used with periods of time related to the present

I thought you were busy all this week

how are you this morning?

used in speech to draw attention to someone or something

I turned round and there was this big mummy standing next to us!

I've slept in this here bed for forty years

to the degree or extent indicated

they can't handle a job this big

he's not used to this much attention

(in social media contexts) used to signify agreement with something posted by another person

‘Small entrepreneurs associated with the tourism industry are worried.’ This!