A precept is a general rule intended to regulate behavior or thought.
Undertaking the five precepts is part of both lay Buddhist initiation and regular lay Buddhist devotional practices. They are not formulated as imperatives, but as training rules that lay people undertake voluntarily to facilitate practice.
Five precepts for daily living:
I will not harm other living beings and rather cultivate compassion (no killing).
I will not take things that are not given to me and rather cultivate sharing (no stealing).
I will not commit sexual misbehavior and rather cultivate purity (no sexual misconduct).
I will not use untruthful speech, harsh speech or gossip and rather cultivate honesty (no lying).
I will not take any kind of intoxicant and rather cultivate clear mind (no intoxicants).