Database designers typically do not add spaces in field names (LName), but can add details in the ________ field of the field properties to provide additional context to the field that is not displayed (Last Name).
Based on the information provided within the question it can be said that such additional information is usually added in the Caption Field when designing a database. This is information that displays in the entry bar that is being created so that the user knows what kind of information to enter in that option for the database.
