El reparto de tareas mejora el rendimiento.

Because reparto is a singular masculine noun, so it takes el.

• el reparto = the distribution / the sharing out / the division
• la tarea = the task
• el rendimiento = performance / productivity / output

So El reparto de tareas... means The distribution/division of tasks...

Here, reparto means distribution, allocation, or division.

It comes from the verb repartir, which means to distribute, to hand out, or to divide up.

In this sentence, el reparto de tareas means something like:

• dividing tasks among people
• assigning tasks
• sharing out responsibilities

In Spain, reparto sounds very natural in this kind of context.

In Spanish, noun relationships are often expressed with de.

So:

• reparto de tareas = distribution of tasks
• mesa de madera = table of wood / wooden table
• centro de salud = health centre

English often puts one noun before another, but Spanish usually uses de instead.

Because Spanish often leaves out the article when speaking about things in a general sense.

So:

• el reparto de tareas = the distribution of tasks, in general
• el reparto de las tareas = the distribution of the tasks, meaning specific tasks already known in context

Both are possible, but they do not mean exactly the same thing.

In your sentence, de tareas sounds general and natural.

Because mejora here is a conjugated verb, not the infinitive.

The subject is el reparto de tareas, which is singular, so the verb must also be singular:

• mejorar = to improve
• mejora = improves

So:

• El reparto de tareas mejora el rendimiento. = The division of tasks improves performance.

The subject is El reparto de tareas.

A useful way to check is to ask: What improves performance?

Answer: The distribution of tasks.

Also, the verb is singular (mejora), which matches the singular head noun reparto.

Even though tareas is plural, it is not the subject. It is just part of the phrase de tareas.

Rendimiento is a common word meaning performance, efficiency, output, or productivity, depending on context.

In this sentence, likely meanings are:

• performance
• productivity
• efficiency

For example:

• rendimiento académico = academic performance
• rendimiento deportivo = sports performance
• rendimiento laboral = work performance / productivity

So here, el rendimiento probably refers to how well people or a system perform.

Spanish often uses the definite article more than English does.

So Spanish may say:

• mejora el rendimiento
• literally: improves the performance

Even when English might prefer improves performance, Spanish often keeps el.

This is very normal and natural.

Yes, absolutely.

La distribución de tareas is also correct and natural. It is slightly more formal or technical in some contexts.

Very roughly:

• reparto = sharing out / division / allocation
• distribución = distribution

In everyday Spanish, reparto de tareas sounds very natural when talking about dividing work among people.

Yes. Reparto has several common meanings depending on context.

For example:

• el reparto de tareas = the distribution of tasks
• el reparto de comida = the distribution/delivery of food
• el reparto de una película = the cast of a film

So it is a flexible noun, and context tells you which meaning is intended.

Usually it sounds like a general statement or principle:

• Dividing tasks improves performance.

Because of the general wording, it feels like a broad truth, not just one specific event.

If you wanted to make it more clearly specific, you might say something like:

• El reparto de las tareas del proyecto mejora el rendimiento del equipo. = The distribution of the project tasks improves the team's performance.

Yes, but the original order is the most neutral and natural.

Normal order:

• El reparto de tareas mejora el rendimiento.

Other orders are possible for emphasis, for example:

• El rendimiento mejora con el reparto de tareas. = Performance improves with the division of tasks.

That version shifts the focus slightly, but the meaning is similar.

In Spain, a broad pronunciation guide would be:

el reh-PAR-to de TAH-re-as meh-HO-ra el ren-dee-MYEN-to

A few notes:

• r in reparto is a tapped Spanish r
• j in mejora is pronounced like a strong throaty h
• tareas has four syllables: ta-re-as
• rendimiento has stress on mien: ren-di-MIEN-to