Première position of street shooting:
Through a viewfinder or LCD
Raise your arms to the side. Keep your arms slightly rounded. Lower your elbows slightly below your shoulders. Make sure your wrists are lower than your elbows. Keep your shoulders down, your neck long and your chin up.
For photos snapped at the last fraction of second to capture a decisive moment:
Allongé means to "ellongate". Adjective describing a position as stretched out or made longer, often used with arabesque.
Or taking photos from an advantaged perspective (such as over a bench, a pole, or taking the camera over your head).
Elevé: Literally "rise".
Relevé: Literally "lifted".
Or with the photographer half sitting or sitting with the camera hidden somewhere
Meaning "half." Applied to plié and pointe and other movements or positions to indicate a smaller or lesser version.
A full plié, or bending of the knees. The back should be straight and aligned with the heels, and the legs are turned out with knees over the feet. As a movement, it should be fluid. It may also be in preparation for another movement such as a leap. Often done in first, second, third, fourth, or fifth position.
Or photo taken lying on your back after that your subject punched you
Tombé: The act of falling.