The word gerbil is a diminutive form of  jerboa , though the jerboas are an unrelated group of rodents occupying a similar ecological niche.
A variance is a form of equitable relief that allows a property owner to bypass local zoning laws so they can use their land in the most efficient manner possible. When unusual circumstances make it difficult for a property owner to comply with local zoning laws, cities and counties may grant what are known as variances to allow property owners to circumvent the traditional zoning laws in an area.
Commercial Real Estate. Commercial real estate is generally land or buildings intended to generate a profit. Commercial real estate is frequently referred to as investment or income property. Commercial real estate also includes rental residences or properties housing five or more units. However, most commercial real estate is office and retail space and industrial-type buildings.