Option 1: This option states that "Public Interest Litigation" refers to anything of public interest. However, this is not an accurate explanation. Public Interest Litigation specifically refers to legal cases brought to court that involve public interest.

Option 2: This option correctly explains that a Public Interest Litigation case is brought by a victim to court and involves public interest. This means that the case is not focused solely on the individual victim but also addresses broader issues that affect the public.

Option 3: This is the correct explanation. Public Interest Litigation allows anyone, not just a victim, to bring a case to court that involves public interest. It empowers individuals or organizations to seek legal action on behalf of the public for matters of common concern.

Option 4: This option is not accurate. Public Interest Litigation does not specifically refer to a directive issued by the Supreme Court, but rather to the act of bringing a case to court that involves public interest.

In conclusion, the correct answer is option 3 as it accurately defines the meaning of "Public Interest Litigation."