Flashcards can help you memorize words, but memorizing words doesn't make you fluent. You can know thousands of vocabulary items and still struggle to form basic sentences.
The Deeper Answer
The problem with flashcards is isolation. You learn "mesa = table" as a disconnected fact. But in real speech, "table" never appears alone. It comes with articles, prepositions, verbs, and context: "the table," "on the table," "I put it on the table."
When you learn words in isolation, you still have to assemble them into sentences in real time. This assembly process is slow, error-prone, and exhausting. Native speakers don't do it. They retrieve pre-built chunks and combine them.
Flashcards also train recognition, not production. Seeing "mesa" and thinking "table" is the opposite direction from what you need in conversation. You need to start with meaning and produce the word.
There's also the context problem. Words have different meanings, connotations, and usage patterns depending on context. "Get" in English has dozens of uses. A flashcard can't teach you which one applies when.
How The Method Addresses This
The Method teaches phrases, not words. You learn "the ball is on the table" as a complete unit. The word "table" comes packaged with the article and preposition you'll actually use with it.
This mirrors how your brain stores language. Native speakers don't assemble sentences word by word—they retrieve chunks. By learning in phrases, you're building a repertoire of ready-made structures.
Variations then teach you the patterns. "On the table" becomes "under the table," "next to the table." You learn to swap components, not translate word by word.