testo

Testo is a term with several related meanings in Italian and in contemporary usage. In Italian, testo means the text of a written document or the lyrics of a song. It denotes the main body of prose or the words sung in a musical work, and is used in contexts ranging from literature to lyric transcriptions. The word is often linked to the concept of content or composition, and its etymology traces back to Latin textus, meaning woven or composed.

In music and publishing, the testo of a work refers specifically to the non-visual content: the words that constitute the song, poem, or script. Lyrics sheets, subtitles, and captions may be labeled as testo, distinguishing the textual element from formatting, notation, or commentary.

Testo is also the name of a German manufacturer of measurement instruments. Testo SE & Co. KGaA is a company known for producing handheld meters and probes for measuring temperature, humidity, pressure, gas composition, CO2 levels, and related quantities. Its products are used in industrial, laboratory, and field environments across sectors such as food, pharmaceutical, HVAC, automotive, and building services. The company emphasizes calibration capabilities, data logging, and precision measurement throughout its product lines.