Are hiragana characters related based on construction?


I've noticed that certain hiragan characters are written in the same way. For
example one could look at の め あ ぬ as progressions on a similar theme. If I
could put it crudely, we have swoop, line+swoop, line+cross+swoop,
line+swoop+loop.

Other groups of similar construction include: き さ て ち る ろ - characters with a
hook け は ま ほ よ お お - cross-first T loops れ ね わ - 3-part Ts

These may just be visual consequences of a limited number of paint strokes but
I'm hoping there is some relationship here. I certainly don't see a phonetic
connection.

---------------EDIT-------------

Folks I realize that some of you have taken my question to mean that I'm
expecting the kana to be decomposed into different semantic elements. I know
that they have individually evolved from different kanji, but they have
simplified into forms that are very similar. I saw another question where
someone responded along the same lines saying that t is not l with another
line and b is not L+o, etc. but they are groups of letters in the Latin
alphabet that are written in similar ways and students who are learning the
characters do practice them in groups. For example, n, m, u, r, and h are
practiced together because of a similar structure. Morever, the elements of
the characters do have names. The dot on the i and j is called a jot. The
cross on the t is a title.

Getting back to my question, are there terms used in Japanese to teach the
very similar characters? Maybe elements of the character that are used? I'm
imagining some 6 year old being told by his teacher to make all the swoops the
same in の め あ and ぬ. I say swoops because I don't have a better name for what
this might be. Or the Z shapes in れ, わ, and ね. Surely there are grade school
workbooks where they teach the young students to draw those zig zags in the
same way on all three characters.




Thanks to the comments thread, I now have a clearer idea of what the poster
was looking for in specific. :)

According to the Japanese Wikipedia article for
[筆画【ひっかく】](https://ja.wikipedia.org/wiki/%E7%AD%86%E7%94%BB) ("stroke [single
stroke of a writing implement when writing any character]"), the following are
the basic graphical components that make up any kanji.

![Japanese Wikipedia table of basic stroke
types](https://i.stack.imgur.com/1w0z1.png)

Again, the strokes above are the basic ones used in kanji, and there are some
stroke varieties specific to kana that are not listed here.

Just below the table on the Wikipedia page, the text mentions the ループ ("loop")
stroke for certain special kanji, and I suspect that this word might also
apply to the loops on the bottoms of certain kana, such as よ or は.

I am uncertain of the terminology for other graphical components, such as the
bend-y bit that's almost a loop in や or も, or the big less-circular loop with
cross-strokes going through it in あ, め, or ぬ. If anyone can provide the names
for these elements, I would be happy to update this post.




Thanks to the comments thread, I now have a clearer idea of what the poster
was looking for in specific. :)

According to the Japanese Wikipedia article for
[筆画【ひっかく】](https://ja.wikipedia.org/wiki/%E7%AD%86%E7%94%BB) ("stroke [single
stroke of a writing implement when writing any character]"), the following are
the basic graphical components that make up any kanji.

![Japanese Wikipedia table of basic stroke
types](https://i.stack.imgur.com/1w0z1.png)

Again, the strokes above are the basic ones used in kanji, and there are some
stroke varieties specific to kana that are not listed here.

Just below the table on the Wikipedia page, the text mentions the ループ ("loop")
stroke for certain special kanji, and I suspect that this word might also
apply to the loops on the bottoms of certain kana, such as よ or は.

I am uncertain of the terminology for other graphical components, such as the
bend-y bit that's almost a loop in や or も, or the big less-circular loop with
cross-strokes going through it in あ, め, or ぬ. If anyone can provide the names
for these elements, I would be happy to update this post.

