المتجر الإلكتروني هنا.

Because this is a nominal sentence in Arabic. In the present tense, Arabic usually does not use a separate word for is / am / are.

So:

• المتجر الإلكتروني هنا
• literally: the store the-electronic here
• natural English: The online store is here

In past or future contexts, Arabic can use verbs such as كان (was) or سيكون (will be), but in a simple present statement like this, no verb is needed.

المتجر means the store or the shop.

It comes from the root related to trade / commerce. In Modern Standard Arabic, متجر is a common formal word for store, especially in contexts like:

• متجر إلكتروني = online store
• متجر الكتب = bookstore
• متجر الملابس = clothing store

Because it begins with الـ, it means the store, not just a store.

Because both the noun and the adjective are definite.

In Arabic, when an adjective describes a definite noun, the adjective must also be definite. So:

• متجر إلكتروني = an online store
• المتجر الإلكتروني = the online store

This is a very important pattern in Arabic. Adjectives usually match the noun in:

• definiteness
• gender
• number
• case (in fully vocalized/formal grammar)

So الإلكتروني is definite because it is describing المتجر, which is also definite.

Because in Arabic, adjectives normally come after the noun they describe.

So:

• المتجر الإلكتروني = the electronic/online store

This is the opposite of normal English word order, where adjectives usually come before the noun:

• English: online store
• Arabic: store online

This noun + adjective order is one of the most basic patterns in Arabic.

Yes, إلكتروني literally means electronic.

But in modern usage, متجر إلكتروني is the standard way to say online store or electronic store in the sense of an internet-based shop.

So the literal meaning is close to electronic store, but the natural English translation is often:

• online store
• e-store

This is a good example of a phrase whose real-world meaning is slightly more specific than the literal word-for-word translation.

هنا means here.

It is an adverb of place. In this sentence, it comes at the end because Arabic often places location words after the subject:

• المتجر الإلكتروني هنا = The online store is here

This word order is very natural in Arabic.

You may also see other place words in similar positions:

• الكتاب هناك = The book is there
• المدرسة قريبة = The school is near

So هنا is simply telling you the location of the subject.

A careful pronunciation would be approximately:

al-matjar al-iliktrūnī hunā

A few notes:

• المتجر = al-matjar
• الإلكتروني = al-iliktrūnī
• هنا = hunā

Helpful pronunciation points:

• ج in Modern Standard Arabic is often taught as j as in jam.
• ـونـي in إلكتروني gives a long ū sound and then nī.
• هنا ends with a long ā sound: hu-nā.

Depending on accent or teaching tradition, you may hear slight differences in pronunciation.

Yes. المتجر الإلكتروني by itself means the online store.

It is a noun phrase made of:

• المتجر = the store
• الإلكتروني = the electronic/online

Then هنا is added to make a full sentence:

• المتجر الإلكتروني هنا = The online store is here

So you can think of the sentence as:

• subject: المتجر الإلكتروني
• predicate/location: هنا

You would remove الـ from both the noun and the adjective:

• متجر إلكتروني هنا

That means An online store is here.

Compare:

• متجر إلكتروني = an online store
• المتجر الإلكتروني = the online store

This is another good example of how definiteness works in Arabic adjectives: if the noun is indefinite, the adjective is also indefinite.

Yes, it is perfectly normal in Modern Standard Arabic.

It sounds natural in formal writing, websites, navigation text, announcements, or educational materials. For example, it could appear in a user interface or on a webpage.

In everyday speech, people might use dialect forms depending on the country, but the MSA sentence is clear and correct.

Yes, but the original order is the most straightforward.

The standard version is:

• المتجر الإلكتروني هنا

You might also encounter a reordered structure for emphasis in some contexts, but for a learner, the safest and most natural pattern is:

• [noun phrase] + [location]

So this sentence is a very useful model for making similar Arabic sentences, such as:

• الكتاب هنا = The book is here
• المدير هنا = The manager is here
• المكتب هنا = The office is here