An essay's title informs readers of its topic. They will know what to anticipate from the essay and, if they are reading it for research purposes, whether it is pertinent to their field of study.
What should be in your essay title is as follows:
l A few key phrases that are pertinent to your topic.
l Any more words or phrases that are required to inform the reader of what to expect from your essay.
l A snappy phrase or figurative language, if appropriate.