Posttranscriptionally is an adverb used to describe processes that occur after transcription, which is the process by which genetic information encoded in DNA is copied into RNA. One synonym for posttranscriptionally is "after transcription." These processes include RNA splicing, RNA editing, and RNA degradation. Another term that can be used instead of posttranscriptionally is "RNA processing," referring to the various modifications that RNAs undergo before they perform their functions. Other related terms include "RNA maturation" and "RNA regulation," which encompass the various molecular mechanisms that dictate the processing and fate of RNA molecules after they have been transcribed. Overall, these terms are important in understanding the complex regulatory networks that control gene expression in cells.