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