Dừng ở đây.

Yes. In Vietnamese, subjects are often omitted when they are obvious from context, especially in commands.

So Dừng ở đây. is a perfectly normal complete sentence meaning something like:

• Stop here.
• Stop at this point.

The hidden subject is usually understood as you.

Dừng is the main verb. It means to stop or to come to a stop.

In this sentence, it is being used as an imperative verb, so it functions like a command:

• Dừng ở đây. = Stop here.

Depending on context, dừng can refer to:

• physically stopping movement
• stopping an activity
• stopping at a certain point

Ở đây means here or more literally at here / in this place.

It is made of:

• ở = at, in
• đây = here, this place

Vietnamese commonly puts the location after the verb, so:

• dừng ở đây = stop here

That word order is normal in Vietnamese.

Yes, most naturally it is a command or instruction.

By itself, Dừng ở đây. sounds direct and neutral. Depending on tone of voice, it can sound:

• practical
• firm
• slightly blunt

If you want to soften it, Vietnamese often adds particles or polite words, for example:

• Dừng ở đây nhé. = Stop here, okay?
• Làm ơn dừng ở đây. = Please stop here.

Yes. Dừng lại ở đây is very common and often sounds a little more explicit.

• dừng = stop
• dừng lại = stop, come to a halt, stop and remain stopped

In many situations, both are fine:

• Dừng ở đây.
• Dừng lại ở đây.

The version with lại can feel slightly fuller or more natural in everyday speech.

Not exactly.

This is an important point:

• d in Vietnamese is not pronounced like English d
• đ is the letter that sounds closer to English d

So in dừng:

• in Northern Vietnamese, d is usually pronounced like z
• in Southern Vietnamese, d is usually pronounced like y in yes

Also:

• ư is a vowel that does not exist naturally in English
• -ng sounds like the end of sing
• the grave accent in dừng gives it a low/falling tone

So the biggest beginner warning is: dừng does not start with an English d sound.

Sometimes đây by itself can mean here, but in this sentence ở đây is the natural phrase.

Compare:

• đây = here / this place
• ở đây = at here / here

With a verb like dừng, Vietnamese usually prefers the fuller location phrase:

• Dừng ở đây. sounds natural.

Using only Dừng đây would not sound normal.

It can be used in several situations, such as:

• telling a driver where to stop
• telling someone to stop walking at a certain spot
• telling someone to stop a process at that point
• telling a class or group to stop at that stage

So it can be literal or figurative, depending on context.

For example, it could mean:

• Stop the car here.
• Let’s stop here in the lesson.
• Stop at this point.

These words overlap, but they are not identical.

• dừng = stop, come to a stop
  
  • very general
• ngừng = stop, cease
  
  • often more formal or used for activities/processes
• đỗ = park / be parked / stop a vehicle in a parking sense

Examples of the rough difference:

• Dừng ở đây. = Stop here.
• Ngừng nói. = Stop talking.
• Đỗ xe ở đây. = Park the vehicle here.

So for your sentence, dừng is the most natural general choice.

Yes, but the tone is a bit different.

• ở đây sounds more everyday and conversational
• tại đây sounds more formal, written, or announcement-like

So:

• Dừng ở đây. = natural everyday speech
• Dừng tại đây. = more formal or sign-like

A learner will usually want ở đây first, since it is the more common spoken pattern.