TDS can stand for several different things depending on the context, but the most common meanings are:

• Tax Deducted at Source: A system under the Income Tax Act in some countries (like India) where tax is deducted directly by the payer on specified payments such as salary, rent, interest, and professional fees before the payee receives them.

• Total Dissolved Solids: A measure in water quality that accounts for the total amount of organic and inorganic substances dissolved in water, such as minerals, salts, and metals. It is an important parameter for assessing water quality.

• Trump Derangement Syndrome: A pejorative political term used to describe irrational negative reactions to U.S. President Donald Trump, often used by supporters to discredit criticism of him.

• Testosterone Deficiency Syndrome: A medical condition characterized by low levels of testosterone, leading to symptoms like fatigue, low libido, and mood changes.

These are some of the prominent meanings of TDS across different fields and discussions. If a specific context is provided, the meaning can be further refined.