It’s like your computer. Files you have on a computer could last for years. But if you’re writing a school report in a Word document and the power goes off, you lose all the work. Files are stored in long term memory (hard disk) just like the lyrics of songs from decades ago.. and the current document is stored in short term memory (RAM), just like tea bag in the cup. You get distracted for a bit and you just forget about it.
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