El intercambio de ropa incluye el trueque.

In Spanish, ropa is a collective singular noun. Even though it refers to many items of clothing, it is grammatically singular.

So Spanish says:

• la ropa = clothes / clothing

Not:

• las ropas in normal everyday use

That is why the phrase is intercambio de ropa, not intercambio de ropas.

Here de means something like of or for, and it links the main noun to what it refers to.

• intercambio de ropa = exchange of clothes / clothing exchange

This is a very common Spanish pattern:

• tienda de ropa = clothes shop
• lavado de coches = car wash
• cambio de planes = change of plans

So de ropa tells you what kind of exchange it is.

They are related, but not identical.

• intercambio = exchange in a broad sense
• trueque = barter, swapping things directly, usually without money

So intercambio is the general category, and trueque is a more specific kind of exchange.

In this sentence, El intercambio de ropa incluye el trueque, the idea is that clothing exchange includes barter/swap as one possible form.

Spanish often uses the definite article with nouns when talking about things in a general or abstract way.

So:

• El intercambio de ropa = clothing exchange, as a concept or activity
• el trueque = barter, as a concept

English often drops the article in these cases, but Spanish usually keeps it.

That is why el trueque sounds natural here. Saying incluye trueque might appear in a list or a heading, but in a full sentence incluye el trueque is more standard.

Because the subject is singular:

• El intercambio de ropa = singular subject

So the verb must also be singular:

• incluye = it includes

If the subject were plural, then the verb would be plural:

• Los intercambios de ropa incluyen el trueque.

Because it is the thing doing the action of the verb incluye.

Structure of the sentence:

• El intercambio de ropa = subject
• incluye = verb
• el trueque = direct object

So literally:

• The clothing exchange includes barter.

A good check is to ask: What includes barter? Answer: El intercambio de ropa.

Because this is a very standard subject + verb + object sentence:

• El intercambio de ropa = subject
• incluye = verb
• el trueque = object

Spanish can sometimes change word order for emphasis, but the normal neutral order is the same as in English. That makes this sentence relatively straightforward.

You might see that in very compressed styles such as:

• advertisements
• bullet points
• labels
• headlines

But in a normal full sentence, incluye el trueque sounds more natural and complete.

So for learners, the safest version is:

• El intercambio de ropa incluye el trueque.

In Spain, trueque is pronounced approximately TRWE-ke.

A few useful points:

• tr is pronounced together at the start
• ue forms a glide, roughly like we
• qu before e sounds like k
• the stress is on the first syllable: TRUE-que

So:

• trueque ≈ TRWE-ke

Yes, it is a normal and well-understood word, especially in contexts like:

• swapping items
• barter systems
• second-hand markets
• alternative economies

That said, intercambio is broader and often more common in general speech. Trueque sounds more specific: it clearly suggests an exchange without money.

It could be either, depending on context.

Without extra context, Spanish often uses the definite article to talk about something in a general sense:

• El intercambio de ropa incluye el trueque. = Clothing exchange includes barter.

But in context, it could also refer to a specific clothing exchange event or system:

• The clothing exchange includes barter.

So the grammar allows both; the surrounding context tells you which meaning is intended.

Yes. A few alternatives are possible, depending on nuance:

• intercambio de ropa = clothing exchange
• intercambio de prendas = exchange of garments/items of clothing
• trueque de ropa = barter of clothes

Ropa is the most natural everyday choice.
Prendas is a bit more formal or specific.
Trueque de ropa would focus more directly on barter rather than exchange in general.