Installing the Lua scripting language

I want to write some scripts in lua, but is not installed on my Trisquel 11 system (based on Ubuntu 22.04). I want to write scripts for my Ubuntu 22.04 tools. Have looked at Synaptic Package Manager. But entering lua, there are so many matches that I have no clue about what to install. Doing search bin/lua gives me all this What is /usr/bin/luac5.4 exactly? What's the letter c for. hagbard@fuckup:~$ apt-file search bin/lua context: /usr/bin/luatools deets: /usr/bin/luau dh-lua: /usr/bin/lua-create-gitbuildpackage-layout dh-lua: /usr/bin/lua-create-svnbuildpackage-layout lua-any: /usr/bin/lua-any lua-check: /usr/bin/luacheck lua5.1: /usr/bin/lua5.1 lua5.1: /usr/bin/luac5.1 lua5.1-policy-dev: /usr/bin/lua5.1-policy-create-svnbuildpackage-layout lua5.2: /usr/bin/lua5.2 lua5.2: /usr/bin/luac5.2 lua5.3: /usr/bin/lua5.3 lua5.3: /usr/bin/luac5.3 lua5.4: /usr/bin/lua5.4 lua5.4: /usr/bin/luac5.4 luadoc: /usr/bin/luadoc luajit: /usr/bin/luajit luakit: /usr/bin/luakit luarocks: /usr/bin/luarocks luarocks: /usr/bin/luarocks-5.1 luarocks: /usr/bin/luarocks-5.2 luarocks: /usr/bin/luarocks-5.3 luarocks: /usr/bin/luarocks-5.4 luarocks: /usr/bin/luarocks-admin luarocks: /usr/bin/luarocks-admin-5.1 luarocks: /usr/bin/luarocks-admin-5.2 luarocks: /usr/bin/luarocks-admin-5.3 luarocks: /usr/bin/luarocks-admin-5.4 texlive-binaries: /usr/bin/luahbtex texlive-binaries: /usr/bin/luajithbtex texlive-binaries: /usr/bin/luajittex texlive-binaries: /usr/bin/luatex texlive-latex-base: /usr/bin/lualatex texlive-latex-extra: /usr/bin/lualatex-dev texlive-luatex: /usr/bin/luaotfload-tool hagbard@fuckup:~$