If you say that there are various things, you mean there are several different things of the type mentioned.
His plan is to spread the capital between various building society accounts.
他打算把资金存到不同的建房互助会的账户中。
He found various species of animals and plants, each slightly different.
他发现了不同种类的动植物,每一个都略有差异。
The school has received various grants from the education department.
学校得到了教育部门的多项资助。
If a number of things are described as various, they are very different from one another.
The methods are many and various.
方法很多且各不相同。