Ayya Medhanandi reflects on the meaning of the different mudras or hand gestures used by the Buddha himself when he gave teachings.  Each represents an important quality for us to practise and develop such as fearlessness or compassion.  You can see these mudras that she describes on the batik cloth that was gifted to the Ottawa Buddhist Society at https://ottawabuddhistsociety.com/about-the-obs/latvian-buddha-batik/