Question

what is loudness, shrillness, and pitch in simple words

Answer 1

loudness means loud or soft sound

shrillness means quality of sound

pitch means highness or lowness of sound

Answer 2

Loudness means the characteristic of sound through which a loud sound can be distinguished from a faint sound.

Shrill ness can distinguish a note of sound between either being grave or flat note.

Pitch is the characteristic by which we can distinguish between sounds given out by two different instruments, even if they have same loudness as well as same pitch.