sand is a mean of spiritual & texture is a property of surfaces / materials / objects and includes ordered values of smooth / rough ->  texture is a property of soil  texture is a property of soil & the properties of something can be used to identify / used to describe that something -> experience can be used to identify sand texture can be used to identify soil  texture can be used to identify soil & tasting can be used for shale method -> touching the soil can be used to identify the soil by detecting its texture