Thematic means 'to do with a theme' — a theme being the one idea that runs through a lot of different things and ties them together.

Thematic means 'to do with a theme'thematic意思是「跟主題有關的」 — a theme being the one idea主題就是那個核心概念 that runs through a lot of different things and ties them together貫穿很多不同東西、把它們串在一起。

If a museum shows pots from Japan next to pots from Peru next to pots from Egypt, that is a thematic display: the ordering idea is 'pots', not 'Japan' or 'the year 1600'. So thematic is very often used in contrast with two other ways of organising things: by time (chronological) and by place.

If a museum shows pots from Japan next to pots from Peru next to pots from Egypt如果一間博物館把日本的陶器、秘魯的陶器、埃及的陶器擺在一起展出, that is a thematic display那就是thematic display（主題式展覽）: the ordering idea is 'pots', not 'Japan' or 'the year 1600'排列的邏輯是「陶器」，而不是「日本」或「1600年」。So所以 thematic is very often used in contrast with two other ways of organising things很常拿來跟另外兩種排列方式做對比: by time (chronological) and by place按時間（chronological）和按地點。

A teacher may say 'we teach history thematically' — meaning we do war, then trade, then family life, each across many centuries, instead of marching year by year. In this use it describes how something is ARRANGED.

A teacher may say 'we teach history thematically'老師可能會說「we teach history thematically」 — meaning意思是 we do war, then trade, then family life先教戰爭，再教貿易，再教家庭生活, each across many centuries每個主題橫跨好幾個世紀, instead of marching year by year而不是按年份一路教下去。In this use這種用法 it describes how something is ARRANGED描述的是東西怎麼被「安排」的。

The other common use is about content, not arrangement: 'thematic' points at what a book, film or piece of music is really about underneath the story. 'Thematic elements', 'the thematic heart of the novel', 'thematically rich' — here it means the deep repeated ideas (loss, freedom, growing up) rather than the events on the surface.

The other common use is about content, not arrangement另一個常見用法是關於內容，而不是編排: 'thematic' points at what a book, film or piece of music is really about underneath the storythematic指的是一本書、一部電影，或一段音樂骨子裡到底在講什麼。'Thematic elements', 'the thematic heart of the novel', 'thematically rich'「thematic elements」「the thematic heart of the novel」「thematically rich」 — here it means the deep repeated ideas這裡指的是那些深層、反覆出現的概念 (loss, freedom, growing up)（失去、自由、成長） rather than the events on the surface而不是表面上發生的事件。

Film reviews and literature classes lean on it heavily, and it is a favourite word in academic writing, arts writing, and business presentations ('a thematic approach to investing'). It feels formal — you would not usually say it to a friend at lunch.

Film reviews and literature classes影評和文學課 lean on it heavily大量使用這個字, and it is a favourite word in academic writing, arts writing, and business presentations它也是學術寫作、藝文評論和商業簡報裡很愛用的字 ('a thematic approach to investing')（像「a thematic approach to investing」）。It feels formal它給人的感覺很正式 — you would not usually say it to a friend at lunch你通常不會在跟朋友吃午餐時這樣說。

In everyday speech people just say 'it's all about…' or 'it's organised by topic'.

In everyday speech在日常口語裡 people just say 'it's all about…' or 'it's organised by topic'大家就直接說「it's all about…」或「it's organised by topic」。

One more, quite separate: in music, a 'thematic' motif is one of the short tunes the piece keeps coming back to. And in language study, linguists use 'thematic' as a technical term about the roles nouns play in a sentence (who does, who receives) — but your students will almost never meet that one.

One more, quite separate另外還有一個完全不同的用法: in music在音樂裡, a 'thematic' motif一個「thematic」動機 is one of the short tunes the piece keeps coming back to指的是樂曲一直反覆出現的其中一段短旋律。And in language study而在語言學裡, linguists use 'thematic' as a technical term語言學家用「thematic」當專有名詞 about the roles nouns play in a sentence指名詞在句子裡扮演的角色 (who does, who receives)（誰是動作者、誰是接受者） — but your students will almost never meet that one但你的學生大概不太會遇到這個用法。