Looking up...
She sat next to me at the concert.
She was immediately beside me at the concert.
immediately beside or adjacent to something or someone
The store is next to the bank.
The store is immediately beside the bank.
He placed his bag next to the door.
He put his bag immediately beside the door.
Can also imply close proximity without physical contact.
'Next to' is often used for physical proximity, but can also describe closeness in time or sequence, e.g., 'The meeting is next to the last one of the day.'
Do not use 'next to' with words like 'immediately' or 'right', as it already implies closeness, e.g., 'right next to' is redundant.
From Middle English 'nexte to', meaning 'immediately beside'.
Often used to describe physical proximity, but can also imply metaphorical closeness in time or sequence.