Ganesha, also known as Ganapati, Vinayaka, and Pillaiyar, is a popular Hindu deity known for his elephant head and rotund belly. He is widely revered as the remover of obstacles, the patron of arts and sciences, and the deva of intellect and wisdom.
In iconography, Ganesha is depicted with the head of an elephant and the body of a human. He is often shown with four arms, holding various symbols such as a goad (a stick used to guide elephants), a noose, an axe, and a bowl of sweets. These symbols have different meanings in different contexts, but generally, they represent Ganesha’s abilities to overcome obstacles, guide and protect devotees, and grant boons and blessings.

Ganesha is also often shown holding a modaka, a sweet ball made of rice flour and jaggery, in his trunk or one of his hands. This symbolizes the sweetness of spiritual knowledge and the satisfaction that comes from attaining it. In some depictions, Ganesha is shown riding on a rat, which represents the overcoming of base desires and the attainment of spiritual freedom.
Ganesha is often depicted as having a large belly, which symbolizes the ability to digest and assimilate all of life’s good and bad experiences. He is also shown with a large elephant ear, which symbolizes the ability to listen and pay attention to the needs of devotees.
In Hinduism, Ganesha is considered to be the lord of beginnings and the patron of arts and sciences. He is invoked at the start of any significant venture or undertaking and is also considered to be the patron of letters and learning. As a result, he is widely worshipped by students, scholars, and artists.

In addition to his traditional iconography, Ganesha has also been depicted in a variety of forms and styles over the centuries, including as a warrior, a dancer, and a yogi. These variations reflect the wide range of roles and attributes that Ganesha is believed to embody.
In conclusion, the iconography of Ganesha is rich in symbolism, with each aspect of his appearance representing different aspects of his nature and abilities. He is widely revered as the remover of obstacles and the patron of arts and sciences and is invoked at the start of any important venture or undertaking. He is widely respected as the Lord of Beginnings and the Patron of Letters and Learning.