diff --git a/BuildTargetsExplained.md b/BuildTargetsExplained.md
new file mode 100644
index 0000000..ad0c3f6
--- /dev/null
+++ b/BuildTargetsExplained.md
@@ -0,0 +1,53 @@
+# Build targets in Shodan repository
+
+Here are lists of user-facing targets in Shodan. They are invoked with the
+command of `m <target>`.
+
+## Build targets
+
+| Target           | Source                          |  Output                | Description                                                  |
+| :----------------| :-------------------------------| :----------------------| :------------------------------------------------------------|
+| prereqs          |                                 |                        | Install build prerequisites                                  |
+| tools            |                                 | cache                  | Install RISCV compiler and emulator tools,                   |
+|                  |                                 | out/host               | including Rust, GCC, CLANG, `verilator`, `qemu`, `renode`    |
+| kata             | kata/                           | out/kata               | SMC seL4 and user space applications                         |
+| tock             | sw/tock/boards/opentitan-matcha | out/ tock              | The operating system running on the security core,           |
+|                  | sw/libtock-rs                   | out/libtock-rs         | and its Rust library                                         |
+| multihart_boot_rom | sw/multihart_boot_rom         | out/shodan_boot_rom    | Shodan boot rom                                              |
+| springbok        | sw/vec                          | out/springbok          | Vector core BSP and RVV test code                            |
+| iree_compiler    |                                 | out/host/iree_compiler | IREE host compiler                                           |
+| iree_runtime     | toolchain/iree                  | out/springbok_iree     | IREE runtime applications                                    |
+|                  | sw/vec_iree                     |                        |                                                              |
+| iree             |                                 |                        | Shorthand for `iree_compiler` and `iree_runtime`             |
+| opentitan_sw_all | hw/opentitan                    | out/opentitan          | HW testing binaries                                          |
+| qemu             | toolchain/ristv-qemu            | out/host/qemu          | QEMU emulator                                                |
+| renode           | sim/renode                      | out/host/renode        | Renode emulator                                              |
+| verilator        | sim/verilator                   | out/host/verilator     | System Verilog HW emulator                                   |
+| simulate         |                                 |                        | E2E build and launch renode simulation.                      |
+|                  |                                 |                        | Targets include `tock`, `kata`, `multihart_boot_rom`, `iree` |
+| debug-simulation |                                 |                        | Debug version of `simulate`                                  |
+
+## Clean targets
+
+| Target               | Description                             |
+| :--------------------| :---------------------------------------|
+| clean                | Remove the whole out directory          |
+| qemu_clean           | Remove out/host/qemu                    |
+| renode_clean         | Remove out/host/renode                  |
+| verilator_clean      | Remove out/host/verilator               |
+| toolchain_clean      | Remove cache/toolchain                  |
+| toolchain_llvm_clean | Remove cache/toolchain_iree_rv32imf     |
+| opentitan_sw_clean   | Remove out/opentitan                    |
+| tock_clean           | Clean out/tock (`make clean`)           |
+
+## Optional toolchain targets (Used upon request)
+
+The following targets ***should not*** be called in the typical development.
+They should be called by CI and only upon request, i.e., *NOT* be built
+regularly.
+
+| Target               | Description                                        |
+| :--------------------| :--------------------------------------------------|
+| toolchain            | Build GCC toolchain for the security core/SMC      |
+| toolchain_llvm       | Build LLVM toolchain for the vector core           |
+| toolchain_vp         | (Optional) Build GCC toolchain for the vector core |
diff --git a/GettingStarted.md b/GettingStarted.md
index a9714ae..8de1f1d 100644
--- a/GettingStarted.md
+++ b/GettingStarted.md
@@ -318,4 +318,6 @@
 
 ## More Information
 
-- [Information on how to use repo](https://go/repo)
+For more available Shodan build targets, please see [Build target lists](./BuildTargetsExplained.md).
+
+Also, [Information on how to use repo](https://go/repo)