>Knowledge management (KM) is the process of creating, sharing, using and managing the knowledge and information of an organization.[1] It refers to a multidisciplinary approach to achieve organisational objectives by making the best use of knowledge.[2]
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>Personal knowledge management (PKM) is a process of collecting information that a person uses to gather, classify, store, search, retrieve and share knowledge in their daily activities (Grundspenkis 2007) and the way in which these processes support work activities (Wright 2005). It is a response to the idea that knowledge workers need to be responsible for their own growth and learning (Smedley 2009). It is a bottom-up approach to knowledge management (KM) (Pollard 2008).
>The memex (originally coined "at random",[1] though sometimes said to be a portmanteau of "memory" and "index"[2]) is the name of the hypothetical proto-hypertext system that Vannevar Bush described in his 1945 The Atlantic Monthly article "As We May Think". Bush envisioned the memex as a device in which individuals would compress and store all of their books, records, and communications, "mechanized so that it may be consulted with exceeding speed and flexibility". The memex would provide an "enlarged intimate supplement to one's memory".[3] The concept of the memex influenced the development of early hypertext systems (eventually leading to the creation of the World Wide Web) and personal knowledge base software.[4] The hypothetical implementation depicted by Bush for the purpose of concrete illustration was based upon a document bookmark list of static microfilm pages and lacked a true hypertext system, where parts of pages would have internal structure beyond the common textual format. Early electronic hypertext systems were thus inspired by memex rather than modeled directly upon it.
>A zettelkasten consists of many individual notes with ideas and other short pieces of information that are taken down as they occur or are acquired. The notes are numbered hierarchically, so that new notes may be inserted at the appropriate place, and contain metadata to allow the note-taker to associate notes with each other. For example, notes may contain tags that describe key aspects of the note, and they may reference other notes. The numbering, metadata, format and structure of the notes is subject to variation depending on the specific method employed.
>MOCs are more than just a structure/hub/outline note.
>(1) **MOCs are incubators**. Place notes in there and let them marinate. You can see exactly this use case, upon download of the text files, here: [On the process of forging evergreen notes 214](https://forum.obsidian.md/t/on-the-process-of-forging-evergreen-notes/710)
>I have not seen any examples of hub/outline/structure notes used in this capacity.
>(2) **MOCs are curated workbenches** where ideas go to war for positioning. In an MOC, ideas are encouraged to be organized in very fluid ways: by intuition, by priority, in sequence, alphabetically, et cetera. This shuffling of ideas is like having 20 index cards on a workbench and figuring out all their foundational relationships—yet evolving the content on the note cards at the same time.
>I will provide the exact use case of this awesome power and link to it »here«. And it truly is awesome once you start using it. I have not seen any examples of hub/outline/structure notes used in this capacity.
>(3) **MOCs are summations of thought on the topic**. As MOCs mature, they can evolve into something closer to a more static annotated Table of Contents (TOC). This is the one use case that I’ve seen for hub/structure/outline notes.
>The Universal Decimal Classification (UDC) is a bibliographic and library classification representing the systematic arrangement of all branches of human knowledge organized as a coherent system in which knowledge fields are related and inter-linked.
[Szymon Kaliski on Twitter: "two things have been on my mind lately (or maybe I‘m only verbalizing them now): pixel space in digital tools (https://t.co/FUo2NUwHo5) and “fractality” of some things in software (https://t.co/t8OlhGOGPJ) sharing in an attempt to “work with the garage doors open”" / Twitter](https://mobile.twitter.com/szymon_k/status/1320040354117263362?s=20)
