For purposes of this title, and subject to additional definitions which are applicable to specific chapters or parts thereof, and unless the context otherwise requires, the following terms shall have the respective meanings ascribed by this section:

(1) BLIND PERSONS. All persons who have a vision with adjusted glasses suitable to the eye or to the individual not greater than what is known as 20/200 vision.

(2) FORM. This term shall be synonymous with the term "Return."

(3) INCOMPETENT VETERAN. Any veteran who has been rated totally and permanently disabled by reason of insanity by the veterans' bureau and for whom a guardian has been appointed under the provisions of Sections 26-9-2 through 26-9-18.

(4) IMPROVEMENTS. All buildings, structures, walls, fences, and any other things erected upon or affixed to the land.

(5) MERCHANT. All persons, partnerships, trustees, receivers, corporations or other entities engaged in trading or dealing in any kind of goods, wares, or merchandise.

(6) MASCULINE GENDER. All words importing the masculine gender shall also apply to females.

(7) MONEY. Coins and paper currency of the United States of America used as a circulating medium of exchange.

(8) PERSON. Any individual, association, estate, trust, partnership, corporation, or other entity of any kind.

(9) PERSONAL PROPERTY. All things other than real property.

(10) PLURAL NUMBER. All words in the plural number shall apply to single individuals in all cases in which the spirit and intent of this title require it.

(11) PRESENT TENSE. All words importing the present tense shall also apply to the future.

(12) PROPERTY. Real and personal property.

(13) REAL PROPERTY. Land and all things thereunto pertaining, all structures, and all things annexed or attached thereto which would pass to a vendee by the conveyance of the land or property.

(14) RETURN. Information submitted in a form allowed by the Department of Revenue for the reporting of tax liabilities or payments, and other reports required by the department. A tax return must identify the taxpayer as prescribed by regulation and must include other information required by the department.

(15) SIGNATURE. A unique mark, process, or verification as allowed by regulation of the Department of Revenue identifying the natural person, natural persons or agent of a taxpayer or the person responsible for the preparation of the tax return or other document. Nothing in this definition shall be construed to make a paid preparer responsible for the tax liability of the taxpayer as identified by the return through signature.

(16) VALUE. The fair and reasonable market value of property, estimated at the price which the property would bring at a fair voluntary sale.