Correspond and Drop line

Correspond verb - To engage in an exchange of written messages.

Drop line and correspond are semantically related In some cases you can replace phrase "Drop line" with "Correspond", this terms are similar.

Drop line noun - A headline with the top line flush left and succeeding lines indented to the right.

Correspond and drop line are semantically related in put language down on paper topic. Sometimes you can use "Correspond" instead a verb phrase "Drop line", if it concerns topics such as mutually exchange information.