Tech runs are a common term used to describe the technical aspects of a production, such as sound, lighting, and other stage effects. Some synonyms for tech runs include technical rehearsals, tech rehearsals, or simply "tech." These rehearsals are crucial to the success of any production, ensuring that everything runs smoothly and seamlessly on opening night. Other related terms might include dress rehearsals, which involve practicing not only the technical elements but also costumes and makeup. Regardless of the terminology used, the key is to ensure that the production team has ample time to iron out any technical glitches before opening night.