However, "now" can be used in a figurative way to create an effect. For example:
* "Now is the time to act!" - This uses "now" to emphasize urgency and immediacy. This is a form of hyperbole, exaggerating the importance of the present moment.
* "Now, that's what I call a party!" - This uses "now" to introduce an exclamation, often used to highlight surprise, excitement, or approval. This is a form of interjection, an abrupt remark.
To understand which figure of speech is being used, you need to consider the context and the effect the word "now" is trying to achieve.