It can be called a Fixed-Length file.
is called data integrity
The field can contain any characters. A maximum number of 255 characters is allowed in a field whose data type is Text.
This is true in any database (Access, Oracle). A number field is technically called a "NUMERIC" field. Only numbers can be inserted into a field that has this designator. A text field is for characters or numbers. It can be a "CHAR" (character), a VARCHAR (characters or numbers). It's basically a way of putting rules on columns--what type of data belongs there.
It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.It could be called a data item, or a field or attribute.
255 max for text
characters
text
field
This is often called the range of the data.
text
Field
Short text