Term: triad

Triad (noun) /ˈtraɪ.æd/:

1. A group or set of three connected people, things or ideas. LV: triāde, trijotne.
2. In music, a chord consisting of three notes played together. LV: trijskaņa.
3. A secret criminal organization, typically based in China or among Chinese communities. LV: triāde (noziedzīgs grupējums).

Example sentences:

1. The triad of diet, exercise, and sleep is essential for a healthy lifestyle.
2. The guitarist played a simple major triad to start the song.
3. International police forces are working together to dismantle the drug-trafficking triad.

Common phrases:

• The CIA triad: The three core principles of information security: Confidentiality, Integrity, and Availability.”Every cybersecurity professional must understand the CIA triad to protect data properly.”
• Nuclear triad: A three-sided military force structure consisting of land-launched missiles, submarine-launched missiles, and strategic aircraft.”The country maintains a nuclear triad to ensure its national defense.”
• The dark triad: A group of three negative personality traits: narcissism, Machiavellianism, and psychopathy.”Psychologists use the term the dark triad to describe certain manipulative behaviors.”