Die werklike rede is duidelik.

Yes. die is the Afrikaans definite article, so here it means the.

A useful thing for English speakers: Afrikaans does not have grammatical gender in the article system the way Dutch or German do. So die is used for the with singular and plural nouns in many ordinary cases:

• die rede = the reason
• die redes = the reasons

So in this sentence, die werklike rede means the real/actual reason.

werklike is the adjective werklik used before a noun.

• werklik = real / actual
• werklike rede = real/actual reason

In Afrikaans, adjectives often take an -e ending when they come before a noun. That is why you get:

• die werklike rede

instead of just die werklik rede.

This is a very common pattern in Afrikaans:

• ’n groot huis = a big house
• die groot huis = the big house
• ’n duidelike antwoord = a clear answer

So the -e here is not random; it is part of how attributive adjectives usually work.

Because duidelik comes after the verb is, not before a noun.

Compare these two positions:

• die duidelike rede = the clear reason
  Here the adjective is before the noun, so it usually gets -e.

• die rede is duidelik = the reason is clear
  Here the adjective is after is, so it normally stays in its basic form.

So:

• werklike = adjective before a noun
• duidelik = adjective after is

That is one of the most important adjective patterns in Afrikaans.

Yes, in this simple statement it is very similar to English:

• Die werklike rede = subject
• is = verb
• duidelik = complement

So the structure is:

Subject + verb + adjective/complement

That is why it feels close to English:

• The real reason is clear.
• Die werklike rede is duidelik.

Afrikaans word order becomes more different in some other sentence types, especially subordinate clauses, but this sentence is straightforward.

Mostly yes. is is the present-tense form of to be, just like English is.

Examples:

• Hy is moeg. = He is tired.
• Dit is goed. = It is good.
• Die werklike rede is duidelik. = The real reason is clear.

So in this sentence, is links the subject (die werklike rede) to the description (duidelik).

Yes. Depending on context, werklike can often be understood as real or actual.

So Die werklike rede is duidelik could feel like:

• The real reason is clear
• The actual reason is clear

The exact nuance depends on context. If someone is contrasting appearances with facts, actual may fit well. If the emphasis is on something genuine or true, real may sound more natural.

A rough English-friendly guide would be:

• Die → a bit like dee
• werklike → roughly VAIR-kli-keh or FEHR-kli-keh depending on accent
• rede → REE-duh
• is → iss
• duidelik → roughly DOY-duh-lik

A fuller note:

• w in Afrikaans is often more like an English v
• ui is a distinctive Afrikaans vowel sound and does not match English exactly
• the g sound in many accents is throaty, though this word does not contain one

If you want, a simple learner-friendly version is:

dee VAIR-kli-keh REE-duh iss DOY-duh-lik

Yes, rede usually means reason.

Examples:

• ’n goeie rede = a good reason
• geen rede nie = no reason
• Wat is die rede? = What is the reason?

In your sentence, rede is a singular noun, and die werklike rede means the real/actual reason.

Yes, that is grammatical, but it means something a little different.

• Die werklike rede is duidelik = The real/actual reason is clear
• Die rede is werklik duidelik = The reason is really clear

So:

• werklike describes the noun rede
• werklik without -e can act more like really in some contexts, modifying duidelik

That is an important difference:

• werklike = real/actual
• werklik = sometimes real, but also often really / truly

Normally, only the first word of the sentence is capitalized here:

• Die werklike rede is duidelik.

Afrikaans does not capitalize all nouns like German does. So rede and duidelik stay lowercase unless there is some special reason, such as a title or the start of a sentence.

Yes, depending on the nuance you want.

A common alternative is eintlike:

• Die eintlike rede is duidelik.

That can mean something like the real reason or the actual reason, often with the sense of the true underlying reason.

Very roughly:

• werklike = real / actual
• eintlike = actual / true / real in the sense of the one that really matters

In many contexts they are close, but not always identical.