examples of kitchen knives [4]
The shape and size of kitchen knives vary depending on their use and the type of food for which they are intended.
sharpening steel 
Cylindrical steel rod with narrow grooves used for honing a knife edge.
cutting board 
Made of plastic or wood and used for cutting up foods.
groove 
Furrow where cooking juices collect.
sharpening stone 
Abrasive stone used to sharpen knife edges.