What skills can you learn from writing emails?

The skills learned from writing emails are:

Writing is an essential job skill. Writing is the primary basis upon which one's work, learning, and intellect will be judged—in college, in the work place and in the community. Writing equips us with communication and thinking skills. ... Writing preserves our ideas.

"rodney quicklt turned away and darted into a crowed of student" i thinks thats it but idk