Answer: Clay, sand and silt characteristics
Explanation: I found the picture and the rest of your question.
Soil identification as sandy clay
Soil Texture indicates the composition of that soil by which it shows the amount of clay, sand, and silt.
That is a classification instrument and it's used in laboratories to show soil classes. This identification is showing soil class by the characteristics of silt, clay, and sand.
Soil texture can be defined by feel method or hydrometer methods for example.
Characteristics: