Question: In describing a previous rule change, one could write:

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> "The school administration updated their rules last week to say that red is no longer a color."
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but many times (mostly in the news), they will add something such as "quietly", implying deception, or with other words, more than one mental image for the same statement.

My description is off, but I'm hoping someone knows what I'm referring to, and can help me identify what this device would be called.

> 
> Ex1. "The school board last week, **quietly** passed a rule stating that red is no longer a color".
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> 
> Ex2. "The ranking member stated, **without evidence**, that red seemed to imply emotion rather than a visual cue".
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Both of these statements could have been written without the bold word.

Answer: 
Would you please transfer $50 to my account, as a **prepayment**?

or

**A 50% prepayment** is required for this service.

* [**prepay**](https://www.merriam-webster.com/dictionary/prepay) - "to pay for (something) before you receive or use it : to pay (something) before you are required to pay it."
* [**prepayment**](https://dictionary.cambridge.org/dictionary/english/pre-payment) *also pre-payment* - "the act of paying for something before you receive it, or the amount of the payment"
"Send your order with pre-payment by cheque".

Certain establishments (hotels, travel agencies, hospitals, car rentals) would require a **deposit**, which is slightly different from prepayment.

* [**deposit**](https://www.collinsdictionary.com/dictionary/english/deposit) A deposit is a sum of money which you pay when you start renting something. The money is returned to you if you do not damage what you have rented.
While not a single word, the term is regularly used as one:

* **[down payment](https://www.merriam-webster.com/dictionary/down%20payment)** - "a part of the full price paid at the time of purchase or delivery with the balance to be paid later".