基础单笔，三视角对照（中文 · 日本語 · Wanikani），附笔顺动画与发音。The 8 basic strokes, three ways, with stroke-order animation and audio.

康熙 214 部首的完整清单——检字的标准索引，已建卡与灰色占位并列。The complete 214 Kangxi radicals: the standard lookup index, built cards alongside grey stubs to fill in.

能独立成字的单字，由部件搭成；合体字（泉、線）只在此出现。Standalone characters built from the radicals — composite characters (泉, 線) live here.

一到十的量感（点阵与「正」字计数），万进制的位，以及把数字拆成字的组合规则。The quantity behind 1–10 (dots + 正 tally), the 万-grouped places, and a builder that decomposes any number into its characters.

浅 × 深 × 十色 — 深浅修饰词与裁剪字学。Colour swatches with 浅/深 modifier pattern and 裁 character study.

布料市场 — 选料、量体、改衣。Fabric market vocabulary: choosing fabric, measurements, alterations.

形状 × 大小 × 颜色 — 点击选择，组合描述。Shape, size and colour picker with compound phrase assembly.

3×4 精选场景 — 随机排列，标签切换。Curated 3×4 grid of shape/colour combinations with randomise and label toggle.

同一音节，四个声调，四个字——附音高曲线与 mā/má/mǎ/mà 示范。One syllable, four tones, four words, with pitch-contour diagrams and audio.

注音符号字母表，加上可枚举的音节库——每个汉字用到的声音，各录一次。The Bopomofo alphabet plus the enumerable syllable bank — every sound our characters use, voiced once.

日语的音一览——五十音、濁音、拗音，平假名与片假名互换。The mora bank: gojūon, dakuten and yōon, flipping between hiragana and katakana.