> ## Documentation Index
> Fetch the complete documentation index at: https://academy.pathfindr.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Concepts

> Some vocabulary to get you started on the module.

export const GlossaryRow = ({title, description, children, flip = false, titleClassName = "text-2xl font-semibold tracking-tight text-zinc-950 dark:text-white", descriptionClassName = "mt-3 text-base leading-7 text-zinc-700 dark:text-zinc-300"}) => {
  return <div className="not-prose my-12">
      <div className="grid grid-cols-1 sm:grid-cols-[1fr_1.6fr] gap-10 items-start">
        {}
        <div className={flip ? "sm:order-2" : "sm:order-1"}>
          <div className={titleClassName}>{title}</div>
          {description ? <div className={descriptionClassName}>{description}</div> : null}
        </div>

        {}
        <div className={flip ? "sm:order-1" : "sm:order-2"}>
          <div className="rounded-2xl overflow-hidden bg-transparent pointer-events-auto">
            {children}
          </div>
        </div>
      </div>
    </div>;
};

<GlossaryRow title="Custom Instructions" description="Custom Instructions are your saved “how to respond” preferences, like tone, format, and what to prioritise. When you set them once, you stop repeating yourself every chat. You can keep them short and tweak them anytime.">
  <div className="w-full aspect-[16/9] rounded-xl overflow-hidden bg-transparent border-0 ring-0 shadow-none">
    <video className="w-full h-full object-contain bg-transparent border-0 ring-0 shadow-none outline-none focus:outline-none focus:ring-0" controls preload="metadata" playsInline>
      <source src="https://mintcdn.com/pathfindr/3TQzs6PVc9ZxsxUT/videos/chatgpt/chatgptConceptsCustomInstructions.mp4?fit=max&auto=format&n=3TQzs6PVc9ZxsxUT&q=85&s=4929c5a7c59b21c9af1cc6173628b210" type="video/mp4" data-path="videos/chatgpt/chatgptConceptsCustomInstructions.mp4" />
    </video>
  </div>
</GlossaryRow>

<GlossaryRow title="Memory" description="Memory is ChatGPT remembering useful preferences across chats when it’s turned on. When you let it remember stable details, replies get more consistent over time. You can view, delete, or switch memory off whenever you like.">
  <div className="w-full aspect-[16/9] rounded-xl overflow-hidden bg-transparent border-0 ring-0 shadow-none">
    <video className="w-full h-full object-contain bg-transparent border-0 ring-0 shadow-none outline-none focus:outline-none focus:ring-0" controls preload="metadata" playsInline>
      <source src="https://mintcdn.com/pathfindr/3TQzs6PVc9ZxsxUT/videos/chatgpt/chatgptConceptsMemory.mp4?fit=max&auto=format&n=3TQzs6PVc9ZxsxUT&q=85&s=f12d30a400afbc3b6beae8f0678fd233" type="video/mp4" data-path="videos/chatgpt/chatgptConceptsMemory.mp4" />
    </video>
  </div>
</GlossaryRow>

<GlossaryRow title="Projects" description="Projects are workspaces that keep related chats, files, and instructions together. When you stay inside a Project, ChatGPT stays on-topic and stops mixing contexts. You can add reference files so it answers from the right source.">
  <div className="w-full aspect-[16/9] rounded-xl overflow-hidden bg-transparent border-0 ring-0 shadow-none">
    <video className="w-full h-full object-contain bg-transparent border-0 ring-0 shadow-none outline-none focus:outline-none focus:ring-0" controls preload="metadata" playsInline>
      <source src="https://mintcdn.com/pathfindr/3TQzs6PVc9ZxsxUT/videos/chatgpt/chatgptConceptsProjects.mp4?fit=max&auto=format&n=3TQzs6PVc9ZxsxUT&q=85&s=b2f1b7f7f104a0c4b2b9d986d7f9325a" type="video/mp4" data-path="videos/chatgpt/chatgptConceptsProjects.mp4" />
    </video>
  </div>
</GlossaryRow>

<GlossaryRow title="File Context" description="File context is what ChatGPT uses from documents you upload into a chat or Project. When you attach the right file, it can summarise and rewrite from that content. You can speed it up by pointing to the right section.">
  <div className="w-full aspect-[16/9] rounded-xl overflow-hidden bg-transparent border-0 ring-0 shadow-none">
    <video className="w-full h-full object-contain bg-transparent border-0 ring-0 shadow-none outline-none focus:outline-none focus:ring-0" controls preload="metadata" playsInline>
      <source src="https://mintcdn.com/pathfindr/3TQzs6PVc9ZxsxUT/videos/chatgpt/chatgptConceptsFileContext.mp4?fit=max&auto=format&n=3TQzs6PVc9ZxsxUT&q=85&s=13e18bd232db6c6c30cb44b918d1b375" type="video/mp4" data-path="videos/chatgpt/chatgptConceptsFileContext.mp4" />
    </video>
  </div>
</GlossaryRow>

<GlossaryRow title="Model Choice" description="Model choice is picking the best engine for the job inside ChatGPT. When you swap models, you can trade speed for deeper thinking. You can use a faster one for drafts and a stronger one for tricky calls.">
  <div className="w-full aspect-[16/9] rounded-xl overflow-hidden bg-transparent border-0 ring-0 shadow-none">
    <video className="w-full h-full object-contain bg-transparent border-0 ring-0 shadow-none outline-none focus:outline-none focus:ring-0" controls preload="metadata" playsInline>
      <source src="https://mintcdn.com/pathfindr/3TQzs6PVc9ZxsxUT/videos/chatgpt/chatgptConceptsModelChoice.mp4?fit=max&auto=format&n=3TQzs6PVc9ZxsxUT&q=85&s=5601b813720689dced8daee6305fe62c" type="video/mp4" data-path="videos/chatgpt/chatgptConceptsModelChoice.mp4" />
    </video>
  </div>
</GlossaryRow>