Topic Introduction and Shift

A conversation does not consist only of grammatical sentences; speakers also need to show what each sentence is about and when that subject is changing. Esperanto commonly introduces a topic with a pri phrase or an expression such as se temas pri, then uses explicit transitions when a shift might otherwise surprise the listener. These markers organize attention: they do not change case roles inside the clause, and they are not automatically polite or impolite.

The simplest topic frame: pri + noun

Put pri + noun phrase near the beginning when you want to establish a domain before making a comment, asking a question, or proposing an action. The pri phrase is a frame, not necessarily an argument required by the verb.

The neutral alternative often puts the same phrase later:

The two sentences describe the same basic situation, but the initial Pri la vojaĝo tells the listener to open a “trip” file before processing the comment. Initial position therefore favors topic interpretation. Esperanto's accusative still marks an object if the fronted material is an object; a pri phrase does not acquire -n merely because it comes first.

Se temas pri: explicitly naming the subject

Se temas pri X means approximately “when it comes to X” or “as far as X is concerned.” Here temas is impersonal: there is no expressed subject, and the matter under discussion follows pri. The phrase is standard in speech and writing and is especially useful when contrasting two domains.

Do not mechanically copy English the topic is about. A meeting, book, or lecture can have a subject and therefore be the grammatical subject of temi: La kunveno temas pri la buĝeto. With the framing expression, however, Esperanto normally uses impersonal temas: Se temas pri la buĝeto...

Koncerne and rilate al

Koncerne X and rilate al X both establish relevance. They are somewhat more common in planned or administrative language than a plain initial pri phrase.

Koncerne presents the following noun phrase directly; rilate al retains al. These are useful in correspondence (formal), but repeating them before every paragraph makes prose bureaucratic. In everyday conversation (informal), pri, kaj pri..., or se temas pri... is usually lighter.

The participial expression parolante pri X literally means “speaking of X,” but its understood subject must also be the subject of the clause it modifies. It can signal an associative move when the current speaker remains that subject. For the looser English formula “speaking of X,” a simple pri X or koncerne X avoids a dangling participle.

This does not mean that Marta was already the central topic. It explains how the new question arose from the preceding conversation.

Shifting topics without losing the listener

A topic shift is easiest to follow when you both close or suspend the old topic and name the new one. Nun pri X is direct and neutral. Sed nun pri X makes the break more explicit. Ni transiru al X is common in meetings and presentations (formal) because it describes the next step in an agenda.

The exchange shows speech-act force. Sed unue pri la manĝaĵo does not reject the invitation; it postpones that decision and redirects joint attention. A bare new question could sound abrupt because the relation between turns would be hidden.

Cetere introduces an additional, often side matter: “besides,” “incidentally,” or “by the way.” It is not a universal equivalent of English anyway.

Aliflanke means “on the other hand” and requires a contrasting perspective, not merely a new subject.

If there is no contrast, use cetere, nun pri, or an explicit topic phrase instead.

Returning after a digression

To resume an earlier line, use ni revenu al..., revenante al..., or pri nia antaŭa demando.... These forms acknowledge the interruption and reduce the listener's work.

The volitive ni revenu is an inclusive proposal, not an order directed only at the listener. In a chaired meeting it can be firm (formal); among friends it is simply collaborative.

Topic framing and politeness

A topic frame can make a request easier to process, but it does not by itself soften the request. Compare:

The first is an imperative; the second asks about willingness or possibility and adds iom. Adding bonvolu to every request is not required. Bonvolu mallaŭtigi la muzikon is a conventional polite directive, but ĉu vi povus... may fit a negotiation better. Topic management and politeness are separate choices.

Foundational grammar and usage choices

The foundational grammar supplies ordinary prepositions, adverbs, clause forms, and flexible word order; it does not prescribe a closed inventory of conversation transitions. Initial pri phrases and impersonal temas pri follow standard grammar. The choice among pri, koncerne, rilate al, and se temas pri is accepted stylistic variation. Modern usage favors explicit transitions when several topics compete, especially in international communication, but no rule requires a marker before every shift. For the information-structure principles behind initial frames, see topic and comment.

Common Mistakes

Giving temi a dummy subject

Using aliflanke without a contrast

Treating a topic phrase as politeness

Copying an English frame word for word

Key Takeaways

An initial pri phrase is the simplest topic frame. Use se temas pri when you want to name a domain explicitly, cetere for a side matter, aliflanke for a genuine contrasting perspective, and ni revenu al to resume. These expressions guide inference and interaction; they do not replace case marking, logical connectors, or polite request strategies.