A more thorough explanation:

Definition: Means refers to the available resources, particularly for the payment of debt or income. It can also be something that helps to achieve an end, an instrument, or a cause.

• John's means of support is his monthly salary.
• The company used various means to increase its sales.
• Education is a means to a better life.

The first example illustrates the first definition of means, which refers to the available resources or income. John's means of support is his monthly salary, which he uses to pay for his expenses and debts.

The second example shows how means can also refer to something that helps to achieve an end. The company used various means, such as advertising and promotions, to increase its sales.

The third example illustrates how means can be an instrument or a cause. Education is a means to a better life, as it can provide individuals with the necessary skills and knowledge to improve their lives and achieve their goals.