Lines that are not seen, but are suggested are called

I'm working on an assignment that has to do with digital art and this is my masterpiece that i've worked on. i was wondering if anyone knew any websites that i could possibly sell my digital artwork? i'd be very appreciated and will gladly mark the right website that does sell digital art as well brainliest! you!

Can any one can send a beautiful writing of name razal in graphite

Where does middle c get it’s name? a. it sits in the middle of a brass clef b. it sits in the middle of the grand staff c. if sits in the middle of the alto clef d.its sits in the middle of the treble clef