Keywords: real, really, reality, true, truly, truth, fact, factual, definite, certain, sure, trust, such, definite integral, absolutely

Sign Definition

As a Noun

1. All the facts about something, rather than things that are imagined or invented. English = truth.
2. A piece of information that is true. English = fact.
3. The world around us as it is rather than the way someone imagines it to be. English = reality.

As a Verb or Adjective

1. To be based on facts and on things that really have happened and are not invented. English = (be) true, (be) factual, (be) real.
2. To have no doubt that something is in agreement with the facts, to have no doubt that something is true. English = (be) sure, (be) certain.
3. To be firm and clear, and be unlikely to be changed. English = (be) definite.
4. To believe that someone is honest, is telling the truth and will not deliberately do anything to harm you. English = trust.


1. Used alone in response to your addressee's comments to show that you agree with what they have said. English = 'True!', 'Yes, indeed!', 'Absolutely'.

As Modifier

1. Used before some signs to add emphasis to what you are saying. English = truly, such, absolutely.
2. In mathematics, used before the sign INTEGRAL to mean ‘definite integral’. A definite integral has start and end values (a, b) which define an interval. The values a and b are the limits, bounds or boundaries of the integral and are written at the top and bottom the the integral symbol.