What is the meaning of "Charum"?
Rashi and Ramban #1 (citing Aba Yossi in Bechoros, 43b): It means that his nose is sunken between his eyes
Ramban: Even if one cannot paint the two eyes with one stroke.
Why does the Pasuk refer to a misshapen nose as "Charum" (which has connotations of 'Cherem')?
Ramban: Because the beauty of a person's face lies in the nose, and when it is misshapen, it affects the entire face.
And what is the meaning of "Saru'a"?