The Theory of Atomism posits that matter is composed of indivisible and indestructible particles called atoms.

The Vaisheshika school identified four types of atoms: Earth (prithvi), Water (ap), Fire (tejas), and Air (vayu).

In Vaisheshika philosophy, 'dravya' refers to substance, which is the fundamental category of existence.

In Vaisheshika philosophy, 'guna' refers to quality, which is a property or attribute of a substance.

In Vaisheshika philosophy, 'karma' refers to action, which is a process or activity that produces a result.

In Vaisheshika philosophy, 'samavaya' refers to universality, which is the property of being present in all members of a class.

The Theory of Atomism states that motion is caused by force, which is an external influence that changes the state of motion of an object.

In Vaisheshika philosophy, 'dharma' refers to a property or characteristic of a substance or quality.

In Vaisheshika philosophy, 'abhava' refers to absence or non-existence, which is the opposite of existence.

In Vaisheshika philosophy, 'vishesha' refers to particularity or individuality, which distinguishes one entity from another.

In Vaisheshika philosophy, 'samyoga' refers to conjunction or union, which is the relation between two entities that are in contact with each other.

In Vaisheshika philosophy, 'vibhaga' refers to separation or disjunction, which is the relation between two entities that are no longer in contact with each other.

In Vaisheshika philosophy, 'yavad-dravya' refers to a limited substance or finite matter, which has a specific size and shape.

In Vaisheshika philosophy, 'anavastha' refers to infinite regress or endless chain, which is a logical fallacy where a statement depends on itself for its validity.