Conditional use: marks a natural or inevitable consequence. Often used with 〜と, followed by a result that is not a command, request, or volitional expression.
When spring comes, the cherry blossoms bloom.
If you don't hurry, you'll be late.
Exhaustive listing: connects two or more nouns, implying a complete set. Similar to a complete 'and' list.
There is a book and a pen on the desk.
Marks a companion or partner in an action. Used with verbs like 会う, 話す, 遊ぶ, 結婚する.
I went to see a movie with my friend.
Quotative particle: marks the content of speech, thought, or naming. Often used with verbs like 言う, 思う, 考える, or in constructions like 〜という.
He said, "I'll come tomorrow."
I think I want to go to Japan.
When spring comes, the cherry blossoms bloom.
I bought apples and mandarins.
I watched a movie with a friend.
I think he won't come anymore.
He said he wanted to go.
と is the ordinary Japanese particle for 'and' between nouns, while ＆ is a borrowed symbol used mainly in titles, brand names, or labels.
と is used for exhaustive listing ('and') or a conditional ('if/when'), while て links two clauses more loosely for a simple sequence.
と is the everyday, all-purpose conjunction for listing nouns, while 及び is a formal written equivalent used in official or legal contexts.
と is the plain quoting/accompaniment particle, while とは adds emphasis, contrast, or a definitional nuance on top of that basic function.
と describes an inevitable or automatic result of a condition, whereas なら expresses a hypothetical case based on the speaker's assumption.
と is the neutral/formal quoting particle used in written or polite speech, while って is its casual contraction used in everyday conversation.
と is a plain listing particle that joins two separate items, whereas 兼 indicates that a single entity performs both functions simultaneously, as in 会議室兼倉庫 (meeting room cum storage room).