You do not punctuate with underlining and italics.
When you want something to stand out or you want to attract attention to something without using too many capital letters - or when you want something to jump out at someone in general.
Also, you should underline or italicize titles of songs, books, movies, etc.
Italics are equivalent to underlining.
In writing there is no one set way in which the title of a book should be handled. However, book titles are usually italicized or placed in quotation marks and are generally not underlined. You should pick the style you prefer and stick to it.
Why did you put a painting in your essay? If you are referring in your essay to a painting done by another person, you should underline the title of that painting, and you should use a resource like the MLA manual for similar questions.
The title of a book should be written with the first letter of all important words, as well as the first word, capitalized, and the entire title underlined. Underline a book title when written by hand and italicize when typed. Example: Lord of Light
It depends on the format (MLA or APA), but you typically (MLA) italicize titles of shows, movies, and books.
In the body of APA papers, italics should be used for the title of books, journals, magazines, newspapers, films, video, TV shows, and Microfilm publications.
Italics are equivalent to underlining.
No. It should be in italics like a book title. You can indicate italics by underlining.
Underlining headings isn't acceptable in APA style.
Italics
Yes, underlining can be used in place of italics in print, but it is less common and can sometimes be harder to read. Italics are generally preferred for emphasizing text because they are more subtle and visually appealing.
Movie titles require either italics or underlining.
In APA format, the title of a cookbook should be italicized, not underlined. Underlining is an outdated method of indicating italics in handwritten or typewritten documents.
Essays require quotation marks.
Do not underline (unless written by hand or you have a typewriter instead of a word processor). Use italics for the name of the book, journal, magazine, encyclopedia, etc. The related link has good examples.
No, underlining and italicizing are not the same. Underlining involves placing a line underneath text, while italicizing involves slanting text to provide emphasis. It's generally recommended to use italics for emphasis over underlining.
The general rule is that one should use quotation marks for short forms (short stories, lyrics, one-act plays) and underlining (or italics) for long forms (novels, epics, full-length dramas).