What is the category for Security?

The noun 'security' is a common noun; a general Word for any security of any kind; a Word for a thing.

• The noun 'security' is an uncountable, abstractnoun as a Word for freedom from danger or threat; freedom from doubt, anxiety, or fear; procedures followed or measures taken to ensure the safety of a state or organization; a Word for a concept.
• The noun 'security' is an uncountable, concretenoun as a Word for a group or department of private guards; a Word for a physical group.
• The noun 'security' is a singular (count), abstract noun as a Word for a thing deposited or pledged as a guarantee of the fulfillment of an obligation; a Word for a concept.
• The noun 'security' is a singular (count), concrete noun as a Word for a certificate attesting credit, the ownership of stocks or bonds; a Word for a physical document(s).