Textual criticism provides a text to study based upon multiple variants and MSS.
Word Studies analyze key words valuable to your specific text or surrounding text. Provide, both, a diachronic ("through time") and synchronic ("with time") word study. This will aid you, as the exegete, to observe the origins of various words, linguistic developments through the history of each term, and how it potentially affects your understanding of your text.
Greek Analysis observes the grammar and discourse features of an assigned text and context to assit in tracing the argument of a text.