What does openid mean? What does "token" mean?

openid:

A unique identifier for ordinary users , Only valid for the current official account . Which means he's the only one . unmatched .

token：

Token Is a string generated by the server , As a token for the client to request , After the first login , The server generates a Token This is what we call it Token Return to the client , In the future, the client only needs to bring this Token Just come and ask for data , No need to bring user name and password again .token In fact, the more popular point can be called the code , Before some data is transmitted , We need to check the code first , Different code is authorized to operate different data .