A writ of summons can also be referred to as a summons, complaint, or citation. It is a legal document that is served to notify individuals or entities that they are being sued and must appear in court. Another synonym for writ of summons is a notice to appear. It is a formal request that is sent to the defendant, informing them of the lawsuit and providing a date and time to appear in court. In some cases, it may also be called a subpoena. Overall, these terms all refer to the same legal action and serve the same purpose of informing individuals that they are being sued and must appear in court.