diff --git a/docs/examples.typ b/docs/examples.typ
index 3c98aec..a37ab85 100644
--- a/docs/examples.typ
+++ b/docs/examples.typ
@@ -63,6 +63,45 @@ _grp("Group 1", desc: "Description", {
 })
 ```)
 
+#let alt = example(```
+_par("a", display-name: "Alice")
+_par("b", display-name: "Bob")
+
+_alt(
+  "first encounter", {
+    _seq("a", "b", comment: "Who are you ?")
+    _seq("b", "a", comment: "I'm Bob")
+  },
+
+  "know eachother", {
+    _seq("a", "b", comment: "Hello Bob")
+    _seq("b", "a", comment: "Hello Alice")
+  },
+
+  "best friends", {
+    _seq("a", "b", comment: "Hi !")
+    _seq("b", "a", comment: "Hi !")
+  }
+)
+```)
+
+#let loop = example(```
+_par("a", display-name: "Alice")
+_par("b", display-name: "Bob")
+
+_loop("default loop", {
+  _seq("a", "b", comment: "Are you here ?")
+})
+_gap()
+_loop("min loop", min: 1, {
+  _seq("a", "b", comment: "Are you here ?")
+})
+_gap()
+_loop("min-max loop", min: 1, max: 5, {
+  _seq("a", "b", comment: "Are you still here ?")
+})
+```)
+
 #let sync = example(```
 _par("alice", display-name: "Alice")
 _par("bob", display-name: "Bob")
diff --git a/docs/groups.typ b/docs/groups.typ
index 76ed0f7..ece4ae7 100644
--- a/docs/groups.typ
+++ b/docs/groups.typ
@@ -2,7 +2,7 @@
 /// #examples.grp
 /// - name (content): The group's name
 /// - desc (none, content): Optional description
-/// - type (str): The groups's type (unused for the moment)
+/// - type (str): The groups's type (should only be set through other functions like @@_alt() or @@_loop() )
 /// - elmts (array): Elements inside the group (can be sequences, other groups, notes, etc.)
 #let _grp(
   name,
@@ -11,9 +11,48 @@
   elmts
 ) = {}
 
-/// Synchronizes multiple sequences
+/// Creates an alt-else group of sequences
+/// 
+/// It contains at least one section but can have as many as needed
+/// #examples.alt
+/// - desc (content): The alt's label
+/// - elmts (array): Elements inside the alt's first section
+/// - ..args (content, array): Complementary "else" sections.\ You can add as many else sections as you need by passing a content (else section label) followed by an array of elements (see example)
+#let _alt(
+  desc,
+  elmts,
+  ..args
+)
+
+/// Creates a looped group of sequences
+/// #examples.loop
+/// - desc (content): Loop description
+/// - min (none, number): Optional lower bound of the loop
+/// - max (auto, number): Upper bound of the loop. If left as `auto` and `min` is set, it will be infinity (`'*'`)
+/// - elmts (array): Elements inside the group
+#let _loop(
+  desc,
+  min: none,
+  max: auto,
+  elmts
+) = {}
+
+/// Synchronizes multiple sequences\
+/// All elements inside a synchronized group will start at the same time
 /// #examples.sync
 /// - elmts (array): Synchronized elements (generally sequences or notes)
 #let _sync(
   elmts
-)
\ No newline at end of file
+)
+
+/// Creates an optional group\
+/// This is a simple wrapper around @@_grp()
+/// - desc (content): Group description
+/// - elmts (array): Elements inside the group
+#let _opt(desc, elmts) = {}
+
+/// Creates a break group\
+/// This is a simple wrapper around @@_grp()
+/// - desc (content): Group description
+/// - elmts (array): Elements inside the group
+#let _break(desc, elmts) = {}
\ No newline at end of file
diff --git a/manual.pdf b/manual.pdf
index cccf85c..57ec601 100644
Binary files a/manual.pdf and b/manual.pdf differ
diff --git a/manual.typ b/manual.typ
index 557ecf6..8678ec6 100644
--- a/manual.typ
+++ b/manual.typ
@@ -183,7 +183,7 @@ chronos.diagram({
     examples: examples
   )
 )
-#tidy.show-module(grp-docs, show-outline: false)
+#tidy.show-module(grp-docs, show-outline: false, sort-functions: none)
 
 #pagebreak(weak: true)