The mean fields arising from individual characters to compose the text or phrases. To represent the meaning of something, such as a student ID, name, address, etc.
Field represents the latest step in the field, each character or group of words to form a message. To represent the meaning of something, such as a student's name, address, etc..
The field is the field caused by the individual character to consist of a text or words To replace the meaning of something, such as the student ID, name, address, etc.