Ik Onkar — One supreme reality; the opening statement of the Guru Granth Sahib.
Shabad — The divine Word; sacred utterance of the Gurus.
Khalsa — The community of initiated Sikhs established by Guru Gobind Singh.
Gurdwara — Door of the Guru; Sikh place of worship.
Langar — Community free kitchen central to Sikh practice.