one topic vs a topic

Both 'one topic' and 'a topic' are correct, but they are used in different contexts. 'One topic' is used when emphasizing a specific topic out of many, while 'a topic' is used when referring to any topic in a general sense.

Last updated: April 01, 2024 • 864 views

one topic

This phrase is correct and commonly used in English when emphasizing a specific topic out of many.

Use 'one topic' when you want to highlight a particular topic among several others.

Examples:

I would like to discuss one topic in detail during the meeting.
She chose one topic for her research paper.

Show examples from the web [+]

The way he takes one topic and really delves into it.
Usually means there's more than one topic.
[...] From 1 December there will also be a weekly cineforum on one topic, a cinema genre or film director.
In my brief contribution, I shall deal with just one topic and that is the topic of enlargement.
But I wasn't about to ruin our first big romantic weekend away by bringing up the one topic we agreed was completely off-limits.
religion was actually the one topic we managed to avoid.
Editors' note: As part of our spring cleaning series, we focused on one topic each day this week to get your computing life in order.
It gets you from one topic to the next one.
There is one topic that I consider especially important, and I am glad that the rapporteur has taken on board one of my suggestions.
The compilation of information in RSS format is called RSS feed. An RSS feed combines individual news under one topic.
Mr President, it appears that one topic for discussion at the spring summit will be the Mediterranean Union, for which neither the structure nor the framework nor even the funding has been clarified as yet.
There are very detailed discussions, and we must work through one topic after another and, in the case of every topic - including chemicals policy - bear in mind the need for sustainable development.
One topic that causes controversy is the dispute over subsidies.
One topic we always seem to ignore is about players wanting to play progressive jackpots.
One topic of vital importance - and, from an Austrian standpoint, perhaps the most vital of all - that I should like to discuss is the issue of the social dimension, that is to say, the role played by the social component in European politics.
You can define a database as a collection of data on one topic. It is organised in a way allowing to easily browse the information, make changes or add new items.
The four-semester course of Media School for high school students is organized by Laura, youth of the courses is focused on one topic - See, Live, Create, Give. Besides these topics developing themes are presented and discussed.
I guess the number one topic to avoid is my brother Patrick.
You know, on this one topic, I agree with her.
This is one topic which will certainly be debated in Cork in a few days' time.

Alternatives:

a single topic
a specific topic
a particular topic
a chosen topic
an individual topic

a topic

This phrase is correct and commonly used in English when referring to any topic in a general sense.

Use 'a topic' when you are talking about any topic without emphasizing a specific one.