What flashcards teach, and what to practise alongside them
With a flashcard you can learn that desarrollo means “development”. If the English appears first and you produce the Spanish before turning it over, you are practising recall. That is useful work.
The question is what else you need to learn about the word. You might know its translation but miss it in a recording, be unsure of its gender or hesitate over el desarrollo de la historia. A review score is about your performance on the card you made. It is not an assessment of every use of the word.
Start with the connection you need
For a new word, a short meaning is a manageable starting point. You can practise in both directions: understand the Spanish, and produce it from the English. Add pronunciation if you need to connect the written form to its sound.
In a review by Webb, Yanagisawa and Uchihara, learners had substantial vocabulary gains from deliberate activities, including flashcards and word lists. There is no basis for treating all word-pair practice as shallow or ineffective.
Keep the prompt clear. If the English word has several meanings, specify the one you intend. “Bank” is a poor prompt if you have not distinguished a financial institution from the side of a river. With a short example you can resolve the ambiguity.
A card can contain more than one isolated word
Flashcards are a format. They can contain sentences, audio and phrases. Anki supports reversed cards, typed answers and sentence gaps. A criticism of one downloaded deck is not a description of everything Anki can do.
For a phrase such as tomar una decisión, practise the words together. If you know tomar and decisión separately, that is no proof that you know how Spanish speakers combine them. You could ask for “make a decision”, or remove tomar from a sentence and supply it yourself.
The same principle applies to grammar. With a card for fui in Ayer ___ al médico you practise a particular verb form. With a card for the infinitive ir you practise a different answer. Decide which one you need.
Give the words other jobs
In reading you see a word in passages where the meaning develops across sentences. In listening you identify it without controlling how quickly each sound arrives. In writing you choose it for something you want to say. In conversation there is also another person’s response.
For desarrollo, you might come across desarrollo económico in an article and el desarrollo de la historia in a review. From those uses you learn more than from the basic translation. You can save one useful phrase for later practice without making a card for every unfamiliar word.
The aim is to connect review with use. A word you repeatedly have trouble with in your reading deserves attention. A card you answer instantly every day may need a longer interval or a different prompt, depending on what your review system already does.
Keep review within your available time
A large collection is not a sign of a particular daily workload. Review demand depends on what you add, your answers, the scheduling settings and the cards themselves.
If you spend all your study time on reviews, reduce new additions and inspect the cards you repeatedly fail. An ambiguous prompt, several unrelated facts or an unfamiliar sentence can make a card unnecessarily difficult. Repairing it may be more useful than answering it again unchanged.
In Vozelu we make our own choices about prompts, corrections and review dates, then add sentence and audio practice. That sequence is on the method page. Whether you use Vozelu, Anki or paper cards, leave time to read, listen and use the Spanish you are reviewing.