Instantaneul este pe ecran.

Because Romanian usually puts the definite article at the end of the noun, not as a separate word in front.

• instantaneu = a snapshot / a still image
• instantaneul = the snapshot / the still image

So -l / -ul here is the equivalent of English the.

Instantaneu is a neuter noun.

In Romanian, neuter nouns behave:

• like masculine nouns in the singular
• like feminine nouns in the plural

That is why the singular definite form is instantaneul.

Este is the 3rd person singular of a fi (to be), so it means is.

• eu sunt = I am
• tu ești = you are
• el/ea este = he/she/it is

In this sentence, Instantaneul este pe ecran literally matches English structure very closely: The snapshot is on the screen.

Yes. In everyday Romanian, e is a very common shorter form of este.

So both are correct:

• Instantaneul este pe ecran.
• Instantaneul e pe ecran.

Este sounds a bit more full or neutral; e is very common in speech.

Because pe means on, while în means in / inside.

• pe ecran = on the screen
• în ecran would sound wrong in this context, because the image is displayed on the surface of the screen, not inside it in the normal English sense.

So Romanian uses pe just like English uses on here.

No. Here, pe is just the normal preposition meaning on.

Romanian pe has more than one job:

1. Preposition:

   • pe masă = on the table
   • pe ecran = on the screen

2. Marker of certain direct objects, especially people or specific animate nouns:

   • Îl văd pe Andrei. = I see Andrei.

In Instantaneul este pe ecran, it is only a preposition of location.

Because Romanian often uses the noun without the definite article after some prepositions when speaking in a general sense.

So:

• pe ecran = on screen / on the screen
• pe ecranul telefonului = on the phone’s screen
• pe ecranul acesta = on this screen

If you just mean the general location where something is displayed, pe ecran is very natural.

Yes. Romanian word order is fairly flexible, though the basic version here is very normal:

• Instantaneul este pe ecran.

You might also hear:

• Pe ecran este instantaneul.
• Este pe ecran instantaneul.

These alternatives shift emphasis a little. The original sentence is the most straightforward and neutral.

It exists and is understandable, but depending on context, Romanian speakers might also use other words, such as:

• fotografie = photograph
• poză = picture/photo
• cadru = frame
• captură de ecran = screenshot

Instantaneu often has the sense of snapshot, instant shot, or sometimes a still image depending on context.

A rough English-friendly pronunciation is:

in-stan-ta-NE-ul ES-te pe e-KRAN

A few helpful points:

• ecran has stress on the second syllable: e-KRAN
• este is usually pronounced clearly as ES-te
• instantaneul contains the definite article at the end, so the ending is not silent

If you want to sound more natural, listen for how Romanian vowels stay fairly clear and short compared with English.

Yes, normally yes.

Romanian does not usually drop the verb to be in simple present-tense statements like this.

So:

• Instantaneul este pe ecran. = correct
• Instantaneul pe ecran. = not normal as a full standard sentence

You need este (or the shorter e) to make the sentence complete.

Primarily location.

It tells you where the snapshot is:

• pe ecran = its location

So the sentence is basically saying that the snapshot is displayed on the screen or located on the screen, not simply that it exists.