diff --git a/R/diagram-overviews.R b/R/diagram-overviews.R
index 72c2342..828dfcb 100644
--- a/R/diagram-overviews.R
+++ b/R/diagram-overviews.R
@@ -1,5 +1,3 @@
-library(DiagrammeRsvg)
-library(rsvg)
 library(here)
 
 #' Create a diagram of the overview of the course and workflow.
@@ -81,7 +79,6 @@ diagram_overview <- function(section_num = 0) {
 
     }"
   graph_viz_text <- glue::glue(graphviz_template_text, .open = "((", .close = "))")
-  DiagrammeR::grViz(graph_viz_text)
 }
 
 save_diagram_to_svg <- function(number, output_file) {
@@ -91,8 +88,14 @@ save_diagram_to_svg <- function(number, output_file) {
     rsvg_svg(output_file)
 }
 
-save_diagram_to_svg(0, here("images/overview.svg"))
-save_diagram_to_svg(1:2, here("images/overview-download-data.svg"))
-save_diagram_to_svg(2, here("images/overview-workflow.svg"))
-save_diagram_to_svg(2:3, here("images/overview-create-project-data.svg"))
-save_diagram_to_svg(4, here("images/overview-analyze-project-data.svg"))
+# save_diagram_to_svg(0, here("images/overview.svg"))
+# save_diagram_to_svg(1:2, here("images/overview-download-data.svg"))
+# save_diagram_to_svg(2, here("images/overview-workflow.svg"))
+# save_diagram_to_svg(2:3, here("images/overview-create-project-data.svg"))
+# save_diagram_to_svg(4, here("images/overview-analyze-project-data.svg"))
+
+diagram_overview(0) |> readr::write_lines(here("images/overview.mmd"))
+# diagram_overview(1:2, here("images/overview-download-data.mmd"))
+# diagram_overview(2, here("images/overview-workflow.mmd"))
+# diagram_overview(2:3, here("images/overview-create-project-data.mmd"))
+# diagram_overview(4, here("images/overview-analyze-project-data.mmd"))
diff --git a/images/raw/function-creation-flow.mmd b/images/raw/function-creation-flow.mmd
new file mode 100644
index 0000000..378c607
--- /dev/null
+++ b/images/raw/function-creation-flow.mmd
@@ -0,0 +1,8 @@
+flowchart
+    code --> 
+      fn_wrap --> 
+      add_args --> 
+      insert_args --> 
+      include_output --> 
+      test --> 
+      insert_docs 
diff --git a/images/raw/restart-flow.mmd b/images/raw/restart-flow.mmd
new file mode 100644
index 0000000..b7738f0
--- /dev/null
+++ b/images/raw/restart-flow.mmd
@@ -0,0 +1,8 @@
+flowchart
+    code(Write code) --> as_function
+    as_function --> test
+    test --> fix_function
+    fix_function --> test
+    fix_function --> restart
+    restart --> test
+    restart --> code
diff --git a/sessions/functionals.qmd b/sessions/functionals.qmd
index ac741d2..22174fa 100644
--- a/sessions/functionals.qmd
+++ b/sessions/functionals.qmd
@@ -25,12 +25,19 @@ and remind everyone the 'what' and 'why' of what we are doing.
 
 ## Learning objectives
 
-The learning objectives of this session are:
+The overall learning outcome for this session is to:
 
-1.  Learn about and apply functional programming, vectorization, and
-    functionals within R.
-2.  Review the split-apply-combine technique and understand the link
-    with functional programming.
+1.  Describe a basic workflow for creating functions and then apply this
+    workflow to import data.
+
+Specific objectives are to:
+
+1.  Explain what functional programming, vectorization, and functionals
+    are within R and identify when code is a functional or uses
+    functional programming. Then to apply this knowledge by using the
+    `{purrr}` package.
+2.  Review the split-apply-combine technique and identify how these
+    concepts connect to functional programming.
 3.  Apply functional programming to summarizing data and for using the
     split-apply-combine technique.
 
@@ -733,15 +740,6 @@ list(average = mean)
 list(ave = mean)
 ```
 
-You can confirm that it is a list by using the function `names()`:
-
-```{r}
-#| filename: "Console"
-names(list(mean = mean))
-names(list(average = mean))
-names(list(ave = mean))
-```
-
 Let's stick with `list(mean = mean)`:
 
 ```{r}
diff --git a/sessions/functions.qmd b/sessions/functions.qmd
index ae2c039..a42b564 100644
--- a/sessions/functions.qmd
+++ b/sessions/functions.qmd
@@ -4,6 +4,7 @@
 #| include: false
 library(fs)
 library(tidyverse)
+library(readr)
 library(here)
 load(here("_temp/importing.RData"))
 temp_path <- fs::path_temp()
@@ -23,16 +24,29 @@ covering.](/images/overview-workflow.svg){#fig-overview-workflow}
 
 ## Learning objectives
 
-The learning objectives of this session are:
-
-1.  Learn what functions are in R and how to create and use them.
-2.  Learn a workflow of using Quarto, `source()` with
-    {{< var keybind.source >}} and restarting R with
-    {{< var keybind.restart-r >}} as a tool and process for developing
-    functions that can be later easily (re-)used.
-3.  Learn what R package dependency management is and how it can
-    simplify your data analysis work.
-4.  Continue practising Git version control to manage changes to your
+The overall learning outcome for this session is to:
+
+1.  Describe a basic workflow for creating functions and then apply this
+    workflow to import data.
+
+Specific objectives are to:
+
+1.  Describe and identify the individual components of a function as
+    well as the workflow to creating them, and then use this workflow to
+    make one to import some data.
+2.  Describe a workflow for developing code that combines using Quarto,
+    `source()`'ing with {{< var keybind.source >}}, and restarting R
+    with {{< var keybind.restart-r >}}, explain its usefulness in
+    assessing correctness and re-usability of code, and then apply this
+    workflow when developing functions.
+3.  Explain what R package dependency management is, why it is necessary
+    when writing code and ensuring reproducibility, and apply tools like
+    `usethis::use_package()` to manage dependencies in an R project.
+4.  Describe and apply a workflow of prototyping code in a Quarto
+    document and then moving it into a script (called, e.g.,
+    `functions.R`) once finished and tested, then using `source()` to
+    load the functions into the R session.
+5.  Continue practicing Git version control to manage changes to your
     files.
 
 ## The basics of a function
diff --git a/sessions/importing.qmd b/sessions/importing.qmd
index f2222c6..d648cc7 100644
--- a/sessions/importing.qmd
+++ b/sessions/importing.qmd
@@ -32,33 +32,6 @@ we'll continue the process by now importing it into R.
 ![Section of the overall workflow we will be
 covering.](/images/overview-download-data.svg){#fig-overview-download-data}
 
-Right now, your folder and file structure should look like (use
-`fs::dir_tree(recurse = 2)` if you want to check using R):
-
-```         
-LearnR3
-├── data/
-│   └── README.md
-├── data-raw/
-│   ├── README.md
-│   ├── mmash-data.zip
-│   ├── mmash/
-│   │  ├── user_1
-│   │  ├── ...
-│   │  └── user_22
-│   └── mmash.R
-├── doc/
-│   ├── README.md
-│   └── lesson.qmd
-├── R/
-│   ├── functions.R
-│   └── README.md
-├── .gitignore
-├── DESCRIPTION
-├── LearnR3.Rproj
-└── README.md
-```
-
 ## Learning objectives
 
 The overall learning outcome for this session is to: