Karna Kuta is like ear of Vastu Purusha. The dimensions of Vastu Purusha are also in the vertical dimension

Tirtha and Prasada are offered to the deity and then taken back and distributed. In this manner the spiritual energy of the deity is transferred to the devotee.

Cow, Horse, Lion and Crocodile are common shapes of the Pranala. A Pranala is not shaped like a horse

The Pancha Rathas are monolithic structures carved out of a single rock.

We can realise a temple in a tree, a forest, in a makeshift platform, a cave, in mountain peaks; everywhere

Pada refers to one fourth. These are four parts of Agamas. They are also called Kandas

Teertha means to cross. They help us cross our own limitations. Teerthas provide us the ambience for such discovery. To go towards Teertha is Teerthayatra.
Teerthayatra is when one can forget mundane activities and engage in spiritual discovery. Vishnu Dharma Sutra also calls Teerthayatra as one of the Saamanya Dharmas (universal without bar of qualification or time) as per Vishnu Dharma Sutra.

The books of Prof Nagaswamy, Percy Brown and Ananda Coomaraswamy are recommeded reference

As per Indian practice, measuring a deity reduces the deity to a material aspect which it is not supposed to be. A Vigraha captures the infinite principle and is not limited physically. Therefore most of the Indian deities are not documented. Further village deities are many and they lack documentation.

Traditionally the abhisheka to Parameswara here is always with cow’s ghee. Because of this constant abhisheka the ghee will be seen to form a mound as it were. The Maha-linga cannot be seen because it is covered with ghee. The mound is nearly 10 feet around the original linga and there is hardly space for the priest to go around in the small sanctum. That in spite of so many lamps burning in the sanctum or even in hot weather the ghee does not melt nor any worm or bad smell occurs in the accumulated ghee is a matter for wonder.

Vastu Granthas mainly deal with constrution methodology or building of a temple. Ritual aspects are dealt with as a matter of fact and are not detailed. Agamas largely deal with ritualistic aspects. It deals with construction aspects as a matter of fact

The devataas represented in the Vastu Prusuha Mandala are established as Bhitti Devatas in some temples. This is not standard in all temples. This is the reason you would observe many devotees touching the walls of the GarbhaGrha when they are doing a Pradakshina.

Dharma Cakra, Triple gem, miniature stupa

Temples and Sanskrit language are cultural edifices of our civilisation. Deliberate discrimination against these contribute to weakening of Indian civilisation. Princely States had strong practices of temples and Hindu tradition. With their abolishment, support and protection to temples and Hindu cultural practices also weakened.