A more thorough explanation:

Verba concepta refers to a set of pre-formulated phrases or formulas used in legal documents or speeches. These phrases are often used repeatedly and have a specific meaning in the legal context.

• "I hereby bequeath all my property to my spouse."
• "I plead the fifth amendment."
• "I swear to tell the truth, the whole truth, and nothing but the truth."

These examples illustrate how verba concepta are used in legal documents or speeches. They are pre-formulated phrases that have a specific meaning in the legal context. For example, "I hereby bequeath all my property to my spouse" is a common phrase used in wills to transfer ownership of property to a spouse. "I plead the fifth amendment" is a phrase used to assert the right against self-incrimination in a legal proceeding. "I swear to tell the truth, the whole truth, and nothing but the truth" is a phrase used by witnesses in court to swear to tell the truth.