A shoplifter steals several items from a store that is open for business. This is an example of:

The scenario describes a shoplifter stealing items from a store that is open for business, which falls under the definition of theft. Theft is a general term that encompasses the act of taking someone else's property without permission, with the intent to permanently deprive the owner of that property. In this case, the shoplifter is taking items from the store, which constitutes the unlawful taking of property.

Burglary typically involves entering a building or dwelling with the intent to commit a crime, often while it is unoccupied. Since the store is open and the theft occurs inside with the presence of customers and staff, this definition does not apply.

Robbery involves the use of force or intimidation to take property from someone. Because the shoplifter is stealing without force or confrontation, this situation does not classify as robbery.

Mysterious disappearance refers to when property goes missing under circumstances that are not fully understood or explained, often involving lost or misplaced items, rather than a clear case of theft by an individual.

Thus, the act of shoplifting in this context is accurately categorized as theft.